Florocid
氟化钠
🗣️ 情景例句
I need the bank to finance something.
我需要银行提供某件东西的贷款。
I hope not.
我希望不会。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，