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VOA常速英语:Scientists Try to Develop Safer Sleeping Sickness Cure
2011-09-13来源:VOA
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词汇讲解:
1. fatal adj. 致命的
例句:Her children's death is a fatal blow on her.
孩子们的死对她是致命的打击。
2. chronic adj. 长期的;慢性的;难以治愈(或根除)的
例句:He had a chronic cough.
他患了慢性咳嗽。
3. parasite n. 寄生生物;寄生虫;寄生植物
例句:The mistletoe plant is a parasite on trees.
槲寄生是寄生于树上的植物。
4. prevalent adj. 普遍的, 盛行的, 流行的;普遍存在的
例句:The habit of travelling by aeroplane is becoming more prevalent.
乘飞机旅行的习惯变得越来越盛行了。
5. invade vt. 涌入, 侵袭
例句:The disease invades their bodies.
疾病侵袭了他们的身体。
6. appalling adj. 极糟的, 很严重的; 骇人听闻的
例句:That was an appalling waste.
那是极其严重的浪费。
7. inject vt.注射, 注入
例句:The doctor has injected him under the skin.
医生已给他皮下注射了一针。
8. absorb vt. 吸收(液体、气体等); 吸收(热、光、能等)
例句:Dry earth absorbs water quickly.
干土吸水很快。
9. retain vt. 拦住;挡住
例句:They built a dam along the seashore to retain the seawater.
他们沿海岸筑起一道堤坝以拦住海水。
10. trial n. 测试, 试验, 考验
例句:They are doing clinical trials on a new drug.
他们正在做一种新药物的临床试验。
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