Fluorid
n. 氟化物
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
I think you may have something there.
我认为在那方面你可能是有理的。
The Titanic turned just in time, narrowly missing the immense walk of ice which rose over 100 feet out of the water beside her.
“泰坦尼克”这个弯拐得及时，紧贴着高出海面100英尺的巨大的冰墙擦过去。