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During these tests she was able to read a newspaper through an opaque screen and,

在這些測(cè)試中，她能隔著不透明的屏幕讀報(bào)紙。

where wild rabbits are not generally regarded as a pest but as a sport and a useful food supply,

野兔在法國(guó)一般不被當(dāng)作有害動(dòng)物，而被視為打獵取樂(lè)的玩物和有用的食物來(lái)源。

Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.

人一旦能用語(yǔ)言同別人交流思想，知識(shí)的積累便開(kāi)始了。

and of what had previously been wrong with his wife,

也不知道他妻子以前得的是什么病，

easily obtainable from the lunar rocks in the form of liquid oxygen.

從月球上的巖石中很容易提煉出液態(tài)氧，

The trainer stands in front of the elephant holding a long stick with a sharp metal point.

馴練員手持一根有鋒利金屬尖頭的長(zhǎng)棒，站在象前。