Fluorated
氟酸盐\\n氟化
🗣️ 情景例句
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
Appreciation of sculpture depends upon the ability to respond to form in three dimensions.
对雕塑的鉴赏力取决于对立体的反应能力。