he broke out laughing
他突然大笑起来
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He was almost unaware of the laughing tumult that broke out when the other two examined the drawing, and then of the silence that fell when the collector of customs, drawn by the sudden noise, entered the kitchen.
NEWYORKER: The Limner
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