LanGeek
掌握有关微笑和大笑的英语习语，例如“bust a gut”和“grim from Ear to Ear”。
审查
闪卡
测验
to laugh or scream in great length or with extreme intensity
to laugh so hard to the point that one's eyes become full of tears
to laugh really loudly and in length
to laugh really hard, particularly to the point that one's stomach hurts
(of laughter) in a very intense and uncontrollable manner
哈哈大笑
a loud and uncontrollable laughter
狂笑
to smile very widely
(of a person) to look extremely happy and satisfied
a very charismatic smile that someone, particularly a woman, has
登录
