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We never hear of the millions of human exhausts expelling tobacco smoke .

我们从未听说吐出烟草烟雾的千百万人的排气口。

Environmental protests , especially concerning soot emissions from ship exhausts , will be another hurdle .

还有来自环保人士的抗议，特别是关于船只燃煤产生的煤烟排放问题是另一个需要克服的阻碍。

Cat back exhuast systems or performance exhausts ?

猫回来排气系统或业绩废气?

Trying to change it only frustrates and exhausts you .

试图改变它只会使你灰心丧气和精疲力竭。

Exhausts the last strength , pours in the snowy area .

耗尽最后一丝力气，倒在雪地上。