coutil

例句：

1. 1.I need to use the toilet before I go to bed.
   我需要去洗手间之后再睡觉。
2. 2.The bathroom is very clean and well-lit.
   浴室非常干净，光线也很好。
3. 3.He went to the restroom and came back with a fresh towel.
   他去洗手间拿了一条干净的毛巾回来。