Hydroxyfluoride
羟基氟化物
🗣️ 情景例句
I'm afraid i've brought you a lot of trouble.
恐怕我给你带来了不少麻烦。
Do you have an appointment?
你有预约吗？
'But it isn't perfume,' I said.'It's hair gel. '
“不，这不是香水，”我说，“是发胶。