Leucoflavin
无色核黄素
🗣️ 情景例句
Bye.
再见。
I think dimes and quarters will do.
我看1角和2角5分的硬币就可以了。
For him, caves have the same peculiar fascination which high mountains have for the climber.
对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。