Subfluoride
低氟化物, 氟化低价物
🗣️ 情景例句
Well, you're the young man who did all this.
嗯， 你就是那位拍这些照片的年轻人。
May I speak to your boss?
我想和你们的老板讲话好吗？
My parents want me to go abroad.
我父母想让我出国。