Fluorobezene
[機] 氟苯
??? 情景例句
and just enjoy this beautiful spring day.
盡情享受這美好的春天。
That's excellent.
那太棒了。
Advertisers discovered years ago that all of us love to get something for nothing.
做廣告的人們多年前就發現我們大家都喜歡免費得到東西。