“發(fā)出”造句

在1,000英尺的高度飛行時，他聽到旋翼發(fā)出一種奇怪的噪音。
Flying at 1,000 ft. he heard a peculiar noise from the rotors.

臥室門上發(fā)出一聲沉重的撞擊聲。
There was a heavy thudding noise against the bedroom door.

圍欄倒下時發(fā)出了斷裂的聲音。
There was a splintering sound as the railing gave way.

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