lavatory washroom water WC toilet的区别.

Washroom
n (US euph 婉) lavatory (esp in a public building) 厕所（尤指公共建筑物中的）.=>Usage at toilet用法见 toilet.
toilet
n.厕所,盥洗室
'Tommy's been to the toilet three times this morning,“今天上午汤米去了3次厕所了,
Lavatory
[/ˈlævətrɪ; US -tɔːrɪ; ˋlævəˏtɔrɪ/] n 1 (also dated 旧亦作 `water-closet) device,usu consisting of a bowl connected to a drain,used for disposing of waste matter from the body 抽水马桶.2 room,building,etc equipped with this device （有抽水马桶的）厕所.=>Usage at toilet 用法见toilet.