As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

由于地下水位下降，灌溉井干涸，居于世界之首的中国小麦产量，已经从1997年1.23亿吨的峰值下降了8%。

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They lay where they had fallen from the crane, sticking out of the water.

他们位于从那台起重机上摔下的地方，部分露在水面。

《柯林斯英汉双解大词典》

The nest must have fallen into the water, but would the mother desert her eggs?

鸟巢一定是掉进水里了，但母亲会抛弃她的蛋吗？

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But the population of the animals known for their ability to travel far without much water has fallen sharply.

VOA: special.2009.01.13

It cannot be changed. The expression comes from the idea that water that has fallen over a dam cannot be brought back again.

VOA: special.2009.05.10

Before Max was even tired, the moon had fallen through the water and the sun had risen to replace it.

NEWYORKER: Max at Sea

Local reports have proven this, and communities in the past have fallen victim to water-related illnesses as a result of their consumption of unclean water.

CNN: Students work to improve water quality in India

Det Insp Louise Fleckney said police were "extremely concerned about his welfare" and said there was a chance he could have fallen into the water.

BBC: Artur Liana, issued by Northamptonshire Police