同时，外面空气由进气口吸入代替被排出的空气。

At the same time air is sucked into the inlet to replace the exhausted air.

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但雄鸟食管里吸进排出的空气形成的叫声暴露了它们。

But the males' call, which is created by them filling their gullets with air and then releasing it, gives them away.

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所述排气通道可用于使从割草机排出的空气穿过所述集草隔间并排出盛装装置。

The air discharge channel can be adapted for passage of air discharged from a lawnmower through the grass-collecting compartment and out of the bagging apparatus.

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