The larvae must feed during their trip, and their springtime release coincides with a peak in algae raining down from surface waters.

幼虫必须在旅途中进食，而它们在春天的释放正好赶上了藻类从地表水倾泻而下的高峰。

youdao

Fuel was seeping through the joints, raining down on the hangar floor.

燃料从接缝渗出，雨点般落到机棚地上。

youdao

She said she had been making supper when the vicious quake began shaking their home on Jan. 12 and bricks and plaster suddenly came raining down on them.

她说，在1月12号无情的地震来临的时候，她正在做晚饭。突然，大量砖块和石灰落向他们。

youdao

The first half was more notable for rain than chances raining down on goal.

BBC: Newport County 2-1 Wrexham

Up ahead, a group of Americans, some wounded, were desperately trying to escape the bullets raining down.

WHITEHOUSE: The White House

For India, Microsoft has had to rethink its decades-old strategy of raining down copies of Windows and Office.

FORBES: Knitters Without Windows