Nonsterile
[醫(yī)]有菌的
??? 情景例句
Until we're married, you're not staying over.
我們結(jié)婚時，你才可以留下來。
Have they developed a new method of transportation yet?
他們已經(jīng)開發(fā)了新的運輸方法了嗎？
May I help you?
我能幫忙嗎？