When fall comes he is already paunched and ready to go back to the mountains.

当秋天来临的时候，它已经把肚子吃得圆鼓鼓的并且准备上山去了。

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When fall comes to northern Mongolia's Darhad valley, hundreds of families load up their oxen and move their sheep, goats, and cattle over 10,000-foot (3,000-meter) mountains to winter pasture.

当蒙古达哈德山谷到了秋季的时候，数百个家庭会赶着羊和驮着东西的牛，穿过高达3000米的山，到冬季可以放牧的地方。

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He has her support to fall back on when the going gets tough.

当进展艰难时，他可以依赖她的支持。

《柯林斯英汉双解大词典》

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

So in a moment you're going to go ahead and hit the spacebar and then as things fall from the screen when they line up with the left arrow, hit the left arrow with a different arrow, hit that arrow and see how good a score you can get.

一会儿你走到前面，敲一下空格键,当屏幕上面的东西从左边往下掉的时候,你就敲一下键盘上的左键,是哪个方向，敲对应的方向键就可以了,我们来看看你能得多少分。

哈佛公开课 - 计算机科学课程节选

Given we are living in Princeton, especially this time of a year, when in the fall.

比如我们住在普林斯顿，尤其是在每年的秋天，就像现在。

普林斯顿公开课 - 人性课程节选

When fall comes, there's an anticipation of change -- turning leaves and cooling days, crunching leaves and gathering flocks.

CNN: Francis is the reform pope we need (Opinion)

"The last time we had a big snowstorm across the East Coast was back in October, " when fall foliage was still on the trees, said CNN Meteorologist Rob Marciano.

CNN: Winter returns with a vengeance in U.S. Northeast

Yelling at people from the lifts: rude when people fall, but a good thing when they do something cool (like recover from a near fall, or do a sweet trick).

FORBES: What Are Cultural Faux Pas When Skiing Or Snowboarding?