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
She must really miss them.
她准是很想主人。
We have adopted much more flexible methods in our dealings.
我们在具体操作方法上灵活多了。
I don't know, she says.
她说“我不知道”。