Isatic acid
[化] 靛红酸CH-2C-6H-4COCOOH; 邻氨苯基乙酮酸
🧩 词语组成解析
🗣️ 情景例句
I know the owner very well.
我和老板很熟。
Which one do you want?
你要哪一个？
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。