Pentafluorated
五氟化的
??? 情景例句
It's a bet.
一言為定。
We would also like to point out that we mainly settle our accounts on a documents-against-acceptance basis.
我們還想指出我們主要以承兌交單方式結帳。
I'll go and look after the man, she said.
“我去照料那個人”，她說。