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VOA慢速英语:Trying to Improve Food Safety With a Camera
2011-06-07来源:VOA
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词汇讲解:
1. rare adj. 罕见的, 珍贵的,很少发生的,少见的
例句:It is rare to see a man over 160 years old.
很少见到一个人能活到160岁。
2. sick adj. 恶心的; 想吐的
例句:He is sick from overeating.
他因暴饮暴食而呕吐。
3. optical adj. 视觉的, 视力的
例句:He has optical trouble.
他的视力有问题。
4. sort vt. 把...分类; 挑选,区分
例句:They sort apples by grade.
他们把苹果按等级分类。
5. contaminant n. 污染物,致污物
例句:The gas contains blow-by, sludge, acids, oil, and other contaminant.
这些气体包括窜缸气体,沉积物,酸,机油和其它杂质的气体。
6. request vt. 请求, 要求
例句:It is requested that he should leave before seven o'clock.
请求他7点前离开。
7. detect vt. 发现; 发觉, 查明
例句:He soon detected the faulty valve.
他很快查到了出毛病的阀门。
8. belt n. 腰带, 带子;区域, 地带
例句:You don't need braces if you're wearing a belt!
要系腰带, 就用不着吊带了。
9. available adj. 可用的或可得到的
例句:My bicycle is not available, and it is being repaired.
我的自行车现在不能用, 因为正在修理。
10. target vt. 瞄准,把…对准
例句:The nuclear weapons are targeted on Western Europe.
这些核武器对准了西欧。
11. direct v. 指导, 导演, 管理
例句:Thinking directs one's actions.
思想指导行动。
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