Echinenone
海胆酮, β-胡萝卜素-4-酮
🗣️ 情景例句
I'd like to adopt her.
我愿意收养。
I am not sure such data does exist.
我不确定是否有这样的资料存在。
What about this one?It's lovely dress.
这件怎么样？这是件漂亮的衣服，