Last year, he applied to Harvard University for a scholarship and succeeded in passing a difficult examination.
去年,他向哈佛大学申请奖学金并通过了一个很难的考试。
The killing of the bison changed the whole wildlife of the plains. With fewer bison, grass shoots were not eaten, so grass did not grow as strongly.
屠宰野牛改变了平原的全部野生生物。野牛少了,嫩草没有牛来吃了,草就长得不粗壮。