laugh at sb laugh about sb laugh to sb 区别和用法 求求.

问题描述:

laugh at sb laugh about sb laugh to sb 区别和用法 求求.

augh at sb 嘲笑某人
laugh about sth 嘲笑某事/笑对某事
laugh to sb 对某人大笑分别举个例子好吗?急用