Eum
[醫(yī)][=external urethral meatus]尿道外口
??? 情景例句
Smokers pollute the air.
吸煙污染空氣。
I don't know what his native language is.
我不知道他的母語是什么。
It is not uncommon to hear that a shipping company has made a claim for cost of salvaging a sunken ship.
航運公司為打撈沉船而提出索賠，這是常有的事，