三者均可用作名詞，表示笑,，但有區(qū)別：　　

1. laugh 側(cè)重指行為,，是可數(shù)名詞。如：　　

He answered with a laugh. 他笑著回答,。　　

Is your mother at home? I heard her laugh. 你媽媽在家嗎,？我聽到她的笑聲了,。　　

2. laughing 側(cè)重指笑的動作,，是不可數(shù)名詞,。如：　　

He held his laughing. 他忍住了笑?！　?/p>

3. laughter 具有抽象或概括意義,，是不可數(shù)名詞 。如：　　

In this case there is no cause for laughter. 這沒什么好笑的,?！　?/p>

The room was full of laughter and happiness. 房間里充滿了歡聲笑語?！?/p>