Pentachlorinated
五氯化的
??? 情景例句
Excuse me.
請(qǐng)?jiān)彙?/div>
I could only guess the number of people in the room.
我無(wú)法正確地猜測(cè)房間里面有多少人。
CUSTOMS OFFICER: Are your friends tourists too?
你們的朋友也是來(lái)旅游的嗎？