Fluorinated
adj. 氟化的\\nv. 使与氟素化合，在（饮水）加少量的氟( fluorinate的过去式和过去分词 )
🗣️ 情景例句
Special for new friends.
特地为新朋友准备的。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。