These may include resting an arm on the back of her chair, puffing out his chest or widening his shoulders.
这会包括把手臂放在她的椅背上，挺起胸膛或扩宽肩膀。
The black masses of smoke puffing out of the engine chimneys are polluting our are polluting our air .
从柴油机烟囱里冒出来的黑色烟团正在污染我们的空气。
The ailingold man kept puffing out a "Thank you" as I supported him home.
当我扶着那个有病的老人回家时，他不断气吁吁地说“谢谢你”。
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