Dihydroxyanthranol
[医] 二羟蒽醇
🗣️ 情景例句
I'm sorry, Robbie.
对不起，Robbie。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。