J acid
[化] J酸; 2-氨基-5-苯酚-7-磺酸
🧩 词语组成解析
🗣️ 情景例句
Well, in 1919.
是的，在1919年。
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。