VOA常速英语:Lawsuit Filed to Stop Antibiotic Use in Healthy Livestock

词汇讲解：

1. lawsuit n. 诉讼；起诉
例句：A lawsuit has been filed against the company.
这家公司已被起诉。

2. infection n. 传染, 感染
例句：White blood cells fight infection.
白血球抵抗感染。

3. livestock n. 家畜, 牲畜
例句：At the county fair last year, prizes were given for the best farm products and livestock.
在去年全县交易会上, 最好的农产品和家畜都得了奖。

4. bacteria n. 细菌
例句：All bacteria are larger than viruses.
所有细菌都比病菌大。

5. undermine vt. 暗中破坏; 逐渐削弱
例句：Many severe colds undermined the old man's health.
多次严重的感冒损害了老人的健康。

6. dose n. (一次)剂量, 一剂, 一份
例句：He gave me a dose of medicine for my cold.
他给我开了一剂治感冒的药。

7. commonplace adj. 普通的, 平庸的
例句：Soon it will be commonplace for men to travel to the moon.
人们去月球旅行很快就会成为常事。

8. pending adj. 未决的, 未定的, 待定的
例句：The lawsuit is still pending in the state court.
这案子仍在州法庭等待定夺。

9. conclusive adj. 令人信服的,确凿的
例句：They produced some fairly conclusive evidence.
他们提供了一些相当确凿的证据。

10. contamination n. 污染；弄脏；毒害
例句：There is a danger of serious contamination from radioactive waste.
放射性废弃物有严重污染的危险。

11. contributor n. 促成因素
例句：Carbon dioxide is the largest contributor to the greenhouse effect.
二氧化碳太多是道致温室效应的最主要原因。

12. lucrative adj. 获利多的, 赚钱的
例句：She has a lucrative business selling leather goods.
她做皮货生意, 利润丰厚。