Terfluoride
[化] 三氟化合物
🗣️ 情景例句
I remember when I was pregnant with Richard.
我记得当我怀着Richard时，
You had better wash those dirty clothes.
你该去把那些脏衣服洗一洗。
Are you sure you can come by at nine?
你肯定你九点能来吗？