1. We don't know about dining cars, and when we discover that this train has such a thing, we can hardly afford to go there once a day on the few dollars that my father has brought with him.
    我们对餐车一无所知，而且当我们发现这辆列车上有这样一个地方时，爸爸随身带来的那几块美元几乎还不够我们一天去那里吃一次。

2. Humboldt, impatient to discover where the electricity had disappeared to, put his hand into the barrel.
    洪堡因为急于要查明电流的去向，便将手伸进了桶内。

3. You discover your insurance doesn't cover the loss.
    你发现你的保险项目不包括这种损失。

4. Scientists are now trying to discover if this is possible.
    科学家们现正试图探索这是否可能。

5. But, so far, the archaeologists have been unable to discover her identity.
    不过，考古工作者至今未能确定这位女神的身份。

6. To discover whether they are mentally ill more often than other people are.
    看一看他们是否比其他人更易患精神病。

7. If we were able to discover lowly forms of life like bacteria on another planet, it would completely change our view of ourselves.
    如果我们能够在另一颗行星上找到诸如细菌的那种低等生命，那么这个发现将彻底改变我们对我们自己的看法。