雨水使得帐篷中间开始下坠。

The tent began to sag under the weight of the rain.

《牛津词典》

当季节性降雨开始，雨水便会聚集在砂坝之后。

When seasonal rains fall, water collects behind the dam.

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但是，在4月1日这天，当斯密斯运载的所谓南极冰山的大船到达港口时，老天突然开始下雨，船上用泡沫和刨冰块塑造的冰山立马被雨水冲走了，他的恶作剧在大自然力量的作用下露馅了。

It started to rain, and the foam and shaving cream that were posing as ice washed away. (via Museum of Hoaxes)

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