Violaxanthin
紫黄质, 堇菜黄质
🔁 扩展释义
【医】 三色堇黄质
🗣️ 情景例句
He knows all there is to know,
他无所不知，
I would like to ask you a favor.
我可以提出一个要求吗？
The question was, which one?
问题是，哪一种气体导致火灾呢？