Fluorinion
(=fluorion)氟离子
🗣️ 情景例句
Good-bye.
再见。
We shouldn't have any trouble if the traffic isn't to heavy.
如果交通不太拥挤的话，我们不会有什么困难。
It's a fine day today, and everyone is busy.
今天的天气很好，大家都很忙。