laughter/ˈlɑ:ftə(r); ?@ ˈlæf-; `læftɚ/ n[U]act, sound or manner of laughing 笑; 笑声; 笑的样子 roar with laughter 放声大笑 tears of laughter 笑出的眼泪 ahouse full of laughter, ie with a happy relaxed atmosphere充满笑声的家.
牛津英汉双解词典