Fluorides
n. [无化] 氟化物, 氰化物（fluoride的复数形式）
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
Come what may, heaven won't fall.
船到桥头自会直。
he saw two thieves rush out of a shop and run towards a waiting car.
看到有两个小偷从一家商店里冲出来，奔向等在那里的一辆汽车，