Prodan
氟硅酸钠
🗣️ 情景例句
Congratulations, Michelle! That's something!
恭喜 ，Michelle！太好了！
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
However, boxing was very crude, for these were no rules and a prizefighter could be seriously injured or even killed during a match.
不过，拳击是十分野蛮的，因为当时没有任何比赛规则，职业拳击手有可能在比赛中受重伤，甚至丧命。