Fluorizating agent
[化] 氟化剂
🧩 词语组成解析
🗣️ 情景例句
He's teething.
他正在长牙齿。
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
The lower gun-ports were now below water and the inrush sealed the ship's fate.
下层炮眼已淹没在水里，涌进船舱的水给瓦萨号带来了难以逃脱的厄运。