CRI听力:Artificial Blood
2011-11-05来源:CRI
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词汇讲解:
1. guarantee vt.保证; 担保;使(事情)可能发生
例句:We guarantee to be here tomorrow.
我们保证明天来。
2. shortage n. 缺少,不足,匮乏
例句:There is a shortage of salt in this country.
这个国家缺少盐。
3. alternative adj. 替代的;供选择的
例句:There was no alternative route open to her.
她别无选择。
4. 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。
5. applicable adj. 适当的; 合适的
例句:This rule is not applicable to foreigners.
这项规定不适用于外国人。
6. undergo vt. 经历,经受(变化、不快的事等)
例句:This new plane is undergoing safety tests.
这架新型飞机正在接受安全试验。
7. overcome vt. 战胜;克服
例句:The learner of a second language has many obstacles to overcome.
第二语言学习者有许多障碍要克服。
8. rust v. (使)生锈
例句:The rain will rust the iron roof.
雨水会使铁皮屋顶生锈。
9. obstacle n.障碍(物), 妨碍
例句:Her parents' opposition is an obstacle to her marriage.
她父母的反对是她结婚的障碍。
10. substitute n. 代替人;代替物;代用品
例句:Is saccharin a good substitute for sugar?
糖精是糖的良好替代品吗?
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