它们，那些庞大的多引擎的客机，会继续滑行三、四十分钟，只是在它们企图着陆时才撞毁的。

They glide on, the enormous multi-engined passenger jets, for thirty, forty-five minutes, only to smash themselves up when they attempt a landing.

youdao

这就像你声称你有多讨厌肺癌，同时要求每人每天抽四十支香烟。

It's like bragging about how much you hate lung cancer while demanding everybody smoke forty cigarettes a day.

youdao

少贪食要想维持当下的体重——暂且不提减肥罢，你在50岁时所需要的卡路里，要比你三四十岁时的少上200多。

Eat less. To maintain your current weight - let alone lose excess pounds - you may need about 200 fewer calories a day during your 50s than you did during your 30s and 40s.

youdao

In the 1830s 600,000 immigrants came to the United States, almost entirely from Western Europe; in the 1840s alone 1.5 million; and in the 1850s,almost 3 million more.

十九世纪三十年代,约有六十万人移居美国,几乎全部来自西欧,仅在四十年代,就有一百五十万移民,而在五十年代,又多了三百万

耶鲁公开课 - 美国内战与重建课程节选