优质解答
Whenever I think of this thing,I can not help but laugh .
Whenever 每当
think of 想起
this thing 这件事
can not help（but）情不自禁的,不禁
laugh 笑,大笑
希望楼主采纳呀,偶是学英语专业的.
Whenever I think of this thing,I can not help but laugh .
Whenever 每当
think of 想起
this thing 这件事
can not help（but）情不自禁的,不禁
laugh 笑,大笑
希望楼主采纳呀,偶是学英语专业的.