Fluorides
n. [无化] 氟化物, 氰化物（fluoride的复数形式）
🗣️ 情景例句
if that will help.
假如那样有所帮助的话。
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
French test are awful, aren't they?
法语太可怕了，你说呢？