Pseudopurpurin
假红紫素, 三羟蒽醌羧酸
🗣️ 情景例句
I have a complaint I would like to make.
我有些怨言。
What is happening over there?
那里发生什么事情？
Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
确实，一旦无意之中从自己的收藏品中找到某件有用的东西时，可以给人一种惊喜的感觉。