Rheinolic acid
[化] 大黄醇酸
🧩 词语组成解析
🗣️ 情景例句
Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩， 大家都应该遵守。
Work has a bitter root but sweet fruit.
劳动根虽苦，然而果实甜。
The railway station was big, black and dark.
火车站很大，又黑又暗。