Chrysophanic acid
[化] 大黄根酸; 3-甲基-1,8-二羟基蒽醌(大黄酸为rnein,非本品)\\n[医] 大黄酸, 大黄酚
🧩 词语组成解析
🗣️ 情景例句
I see him on the train every day but we are not on speaking terms.
我每天都在火车上见到他，但彼此没有说过话。
The devil is good when he is pleased.
魔鬼高兴，也发善心。
It was the middle of winter.
此时正值隆冬季节，