Standing near the window of the water closet, Samuel saw a man waving.

站在盥洗室窗外，塞缪尔看见了士向他挥手示意。

It stands for " water closet" , which is an old-fashioned word, but in some countries, you will still see the sign " wc" or people will refer to the bathroom as " wc" .

它代表“water closet” ，这是古词， 但在些国家，你仍然会看到“wc” 标志，或者人们将浴室称为“wc” 。