天花板上的一片灰掉进他眼睛里,引起了感染。

A flake of plaster from the ceiling fell into his eye, which became septic.

《柯林斯英汉双解大词典》

天花板上的一块灰皮掉下来落到他的头上。

A piece of plaster from the ceiling fell on his head.

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锁气翻板卸灰阀为上下交替开闭，自动复位机构。

Air lock and dust discharge valve open or close in turn up and down.

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锁气翻板卸灰阀为上下交替开闭，自动复位机构。

Air lock and dust discharge valve open or close in turn up and down.

youdao