由 英语数字智库 了解更多托福：医学类词汇目录
短篇科普小品：第十二篇
本文为原创纪实科普文稿
沿用《国家地理》严谨写实文风，内容独立撰写、无抄袭。
英文原文
Malaria remains one of the most persistent infectious diseases
threatening human health across tropical and subtropical regions.
The disease is triggered by single-celled malaria parasites,
which invade human red blood cells and multiply rapidly inside the body,
causing recurring fever, fatigue and severe organ damage in infected patients.
For decades, medical experts have relied on antimalarial medicines
to clear parasites from human blood and save countless lives.
Yet malaria parasites possess a powerful evolutionary ability.
Random genetic mutations may emerge within parasite populations,
and drug pressure will select mutant strains that
can survive standard treatment.
These surviving parasites reproduce and spread,
gradually creating drug-resistant malaria.
Early antimalarial drugs such as chloroquine once brought great hope
for malaria elimination campaigns in the mid-20th century.
However, widespread unregulated use soon led to global chloroquine resistance,
greatly weakening the effectiveness of this once-powerful medicine.
Artemisinin-based combination therapies, known as ACTs,
later became the core standard treatment recommended
by the World Health Organization.
Artemisinin works quickly to reduce parasite loads in the bloodstream,
while partner drugs eliminate any remaining organisms.
But over the past twenty years, partial artemisinin resistance
has appeared first in Southeast Asia and later detected in parts of Africa.
Resistant parasites can slow their metabolic activity temporarily
and endure the impact of artemisinin, leading to delayed parasite clearance
and higher chances of treatment failure.
Multiple human factors accelerate the spread of drug-resistant malaria.
Poor patient compliance with full treatment courses,
the illegal circulation of counterfeit or low-dose antimalarial pills,
and inappropriate single-drug use all raise the risk of mutation selection.
Once resistant strains spread through mosquito bites across communities,
the local medical system will face a severe public health crisis.
Global health organizations have carried out multi-layered strategies
to slow the expansion of resistant malaria parasites.
Genomic surveillance networks track mutation signals in parasite samples,
helping researchers spot emerging resistance at an early stage.
Health teams promote standardized ACT prescription rules
and educate local communities to complete full treatment cycles.
Scientists are also developing new classes of antimalarial compounds,
innovative vaccines and upgraded vector control tools to fight mosquitoes.
Still, defeating malaria drug resistance cannot depend on medicine alone.
Cross-border information sharing,
stable funding support and coordinated public health action
are all essential to hold back the evolutionary threat of malaria parasites.
The long fight against malaria resistance reminds humanity
that pathogens continuously evolve alongside medical progress.
Only by combining scientific innovation,
strict drug management and global cooperation
can people protect the effectiveness of life-saving medicines
and move steadily toward the long-term goal of malaria elimination.
译文
疟疾依旧是热带与亚热带地区威胁人类健康、最难根除的传染病之一。
这种疾病由单细胞疟原虫引发，
疟原虫侵入人体红细胞并在体内快速增殖，
造成感染者反复发烧、身体衰弱，严重时会带来脏器损伤。
数十年来，医学专家依靠抗疟药物清除血液内的寄生虫，挽救了无数生命。
但疟原虫拥有强大的演化能力。
疟原虫种群内部会随机产生基因突变，
而药物压力会筛选出能够耐受常规治疗的突变虫株。
这些存活的疟原虫不断繁殖扩散，逐步形成耐药型疟疾。
上世纪中期，氯喹这类早期抗疟药，
曾经为全球灭疟行动带来巨大希望。
但无规范的大范围用药，很快造成氯喹耐药性在全球蔓延，
让这款曾经强效的药物药效大幅衰减。
以青蒿素为基础的联合疗法，简称ACT疗法，
后来成为世界卫生组织推荐的核心标准治疗方案。
青蒿素能够快速降低血液里的寄生虫数量，
搭配辅助药物清除残存虫体。
但在过去二十年间，青蒿素部分耐药性最先出现在东南亚，
之后在非洲部分地区也被检出。
耐药疟原虫可以暂时降低自身代谢水平，
耐受青蒿素的作用，造成寄生虫清除速度变慢，
治疗失败概率随之升高。
诸多人为因素加速了耐药疟疾的传播。
患者没有遵医嘱完成全程治疗、
假冒或低剂量抗疟药品非法流通、
不规范的单一药物使用，都会提高突变筛选风险。
一旦耐药虫株通过蚊虫叮咬在社区间传播，
当地医疗卫生体系就会遭遇严峻的公共卫生危机。
全球卫生机构实施多层防控策略，延缓耐药疟原虫扩张。
基因组监测网络持续检测疟原虫样本中的突变信号，
帮助科研人员尽早发现正在出现的耐药问题。
卫生团队推行标准化ACT用药规范，
同时向当地居民科普，保证完整走完治疗疗程。
科学家也在研发全新抗疟化合物、
创新疫苗以及升级蚊虫媒介防控手段。
即便如此，战胜疟疾耐药性不能只依靠药物。
跨境信息共享、稳定资金支持与协同公共卫生行动，
对于遏制疟原虫带来的演化威胁都不可或缺。
这场对抗疟疾耐药性的漫长斗争提醒人类：
病原体始终会随着医疗进步持续演化。
只有融合科技创新、严格药品管理以及全球协作，
人类才能守护救命药物的有效性，
稳步朝着根除疟疾这一长远目标前进。
一、核心生词
1. malaria
/məˈleəriə/
疟疾
名词（n.）
2. parasite
/ˈpærəsaɪt/
寄生虫
名词（n.）
3. multiply
/ˈmʌltɪplaɪ/
繁殖；增殖
动词（v.）
4. mutation
/mjuːˈteɪʃn/
突变
名词（n.）
5. strain
/streɪn/
菌株；虫株
名词（n.）
6. chloroquine
/ˈklɒrəkwɪn/
氯喹
名词（n.）
7. artemisinin
/ˌɑːtɪˈmɪsɪnɪn/
青蒿素
名词（n.）
8. metabolic
/ˌmetəˈbɒlɪk/
代谢的
形容词（adj.）
9. counterfeit
/ˈkaʊntəfɪt/
假冒的
形容词（adj.）
10. genomic
/dʒɪˈnəʊmɪk/
基因组的
形容词（adj.）
11. surveillance
/sɜːˈveɪləns/
监测；监控
名词（n.）
12. pathogen
/ˈpæθədʒən/
病原体
名词（n.）
二、重点短语
1. infectious disease
传染病
2. red blood cells
红细胞
3. drug-resistant malaria
耐药疟疾
4. antimalarial drugs
抗疟药物
5. artemisinin-based combination therapies
青蒿素联合疗法
6. parasite loads
寄生虫载量
7. patient compliance
患者依从性
8. genomic surveillance
基因组监测
9. vector control
媒介防控
10. public health crisis
公共卫生危机
三、长难句拆解
句子：
Yet malaria parasites possess a powerful evolutionary ability.
Random genetic mutations may emerge within parasite populations,
and drug pressure will select mutant strains
that can survive standard treatment.
主干1：
malaria parasites possess a powerful evolutionary ability
主干1译文：
但疟原虫拥有强大的演化能力
主干2：
Random genetic mutations may emerge within parasite populations
主干2译文：
疟原虫种群内部会随机产生基因突变
主干3：
drug pressure will select mutant strains
主干3译文：
药物压力会筛选出突变虫株
定语从句：
that can survive standard treatment
从句译文：
能够耐受常规治疗（的虫株）
解析：
句子由and连接两个并列分句，
that引导定语从句修饰mutant strains。
逻辑层层递进，解释耐药性产生底层原理，
表述客观严谨，是科普解释生物演化的经典句式。
句子：
The long fight against malaria resistance reminds humanity
that pathogens continuously evolve alongside medical progress.
Only by combining scientific innovation,
strict drug management and global cooperation
can people protect the effectiveness of life-saving medicines
and move steadily toward the long-term goal of malaria elimination.
主干1：
The long fight reminds humanity
主干1译文：
这场对抗疟疾耐药性的漫长斗争提醒人类
宾语从句：
that pathogens continuously evolve alongside medical progress
从句译文：
病原体始终会随着医疗进步持续演化
主干2（倒装句）：
people can protect the effectiveness of
life-saving medicines and move toward the goal
主干2译文：
人类能够守护救命药物的有效性，朝着目标前进
方式状语：
Only by combining scientific innovation,
strict drug management and global cooperation
状语译文：
只有融合科技创新、严格药品管理以及全球协作
解析：
本句包含宾语从句以及only+状语置于句首引发的部分倒装结构。
通过倒装句式加强语气，概括全文核心观点，句式正式，适合学术科普阅读。
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