试题题干
Translate the following sentence into Chinese.
We are polluting the oceans, too, killing the fish and thereby depriving ourselves of an invaluable food supply.
参考答案
试题解析
考点：deprive (v.) 使丧失 ；invaluable (a.) 无价的；food supply 食物供应。
句子结构：时态为现在进行时，句子有三个谓语动作，分别是polluting、killing 和depriving。