Who' s this?的意思是什么?

Who' s this?的意思是什么? whose、who、who‘s的意思分别是什么 who's this的中文 Who bedroom is this?的中文意思是什么啊? who is this boy,Linda的意思是什么 Who's on duty today.的中文意思是什么啊 Who's your art teacher的意思是什么? who’s your there的汉语意思是什么? who who's whose 的区别是什么? Who's this? who's this boy? Who's this?... Who writes this letter?的中文意思 who's的同音词是什么 who's的同音词是什么 “What's this in English?”的意思是什么? Who wrote this letter to Daming Who wrote this letter to Daming 是什么中文意思啊~ the people who approve of this approach hold that 的意思是什么