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passes down

美英

un.过；一闪即逝；下达

第三人称单数：passes down 现在分词：passing down 过去式：passed down

passes down

passes down

passes down

1

as the air passes down through the canister , the gasoline vapor is trapped by the charcoal particles .

当这些空气向下流过活性炭罐时，汽油蒸气被活性炭粒子吸附。

2

Genes may not be the only way cancer passes down the generations .

基因可能并非是肿瘤向后代传递的唯一方式。

3

Every afternoon a file of old women passes down the road outside my house , each carrying a load of firewood .

每天下午，我家门前的路上都会有一队背着柴火的老妇经过。

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