Fluorion
氟离子
🗣️ 情景例句
May I have a bus map, please?
请给我一份公共汽车路线图好吗？
Men too seldom see their own faults.
人们很少能看到自己的过错。
Tomorrow evening they will be singing at the Workers' Club.
明晚他们将在工人俱乐部演出。