lavatory

/ˈlævəˌtɔri/

a room or building equipped with one or more toilets

中文释义：厕所；洗手间

The lavatory on the train was out of order, causing inconvenience to passengers.

火车上的厕所坏了，给乘客带来了不便。

Please ensure the lavatory is clean after use for the next person.

请在使用后确保厕所干净，以便下一个人使用。