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
I have good news and bad news, which do you want to hear first?
我有好消息和坏消息，你想先听哪个？
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
chasms wider than the Grand Canyon and at least one mountain more than twice as tall as Everest.
比大峡谷还宽的裂缝，起码有一座山有珠穆朗玛峰的近两倍高。