VOA常速英语:Non-Native Weed Threatens Northwest Clams

词汇讲解：

1. exotic adj. 由外国引进的, 非本地的
例句：There are some exotic words in English language.
英语中有一些外来词。

2. hitch v. (免费)搭乘他人之车; 搭便车
例句：We hitched a ride in a truck yesterday.
我们昨天顺便搭乘了一辆卡车。

3. clam n. 蚌, 蛤
例句：The restaurant’s specialities are fried clams.
这个餐厅的特色菜是炸蚌。

4. overrun vt. 蔓延, 占领, 侵害, 蹂躏
例句：Because the kitchen was dirty, it was overrun by insects.
由于厨房脏, 所以害虫在那里大量出没。

5. watery adj. (食物或饮料)水分太多的,稀的,味淡的
例句：This beer is watery.
这种啤酒很清淡。

6. abandon vt. 离弃, 丢弃
例句：Jackson has abandoned his old car.
杰克逊把他那辆旧车扔了。

7. noxious adj. 有害的;有毒的
例句：Noxious gases had built up in the sewer.
下水道的有害气体越积越多。

8. nuisance n. 讨厌的东西[人, 行为] 麻烦事
例句：The dog is a terrible nuisance.
这只狗真令人讨厌。

9. habitat n. (动物的)栖息地, 住处
例句：This creature’s natural habitat is the jungle.
这种动物的栖息地是丛林。

10. eradicate vt. 摧毁,完全根除,消灭,杜绝
例句：These insects are very difficult to eradicate.
这些昆虫很难根除。

11. acknowledge vt. 承认, 供认
例句：He grudgingly acknowledged having made a mistake.
他勉强承认他做错了。

12. perpetuity n. 永远；永久
例句：They do not own the land in perpetuity.
他们并不是永久拥有这片土地。