Isoanthraflavic acid
[化] 异蒽黄酸; 2,7-二羟蒽醌
🧩 词语组成解析
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
How long will you remain in the United States?
你将会在美国逗留多久？
So great is our passion for doing things for ourselves, that we are becoming increasingly less dependent on specialized labour.
现在我们自己动手做事的热情很高，结果对于专业工人的依赖越来越少了。