Koch's acid
[化] 科赫酸; α-萘胺-3,6,8-三磺酸
🧩 词语组成解析
🗣️ 情景例句
This is something you'll have to work out yourself.
这就是你必须自己做出决定的事情。
First of all, I want to thank you all for coming to this party.
首先，我人感谢各位出度这次晚会。
I have been putting on weight.
我开始发胖了。