Echinenone
海胆酮, β-胡萝卜素-4-酮
🗣️ 情景例句
After Richard was born.
等生下Richard之后。
The fox's wiles will never enter the lion's head.
狐狸的诡计永远进不了狮子的头脑。
At 2,473 metres, it is the highest mountain pass in Europe.
海拔2，473O米，是欧洲最高的山口。