Armstrong acid
[化] 阿姆斯特朗酸; 即薛佛酸(2-萘酚-6-磺酸); 萘-1,5-二磺酸
🧩 词语组成解析
[计] 公理
🗣️ 情景例句
What are you up to?
你呢？你怎样？
What did you talk about?
你们谈论了什么？
It is about two hundred metres from his home.
汽车站离他家二百米左右。