Galactoflavin
半乳糖黄素
🗣️ 情景例句
Fast asleep.
正熟睡着呢。
Truth lies at the bottom of a well.
事实真相往往不在表面，而在深层。
He started to complain about this wicked world but was interrupted by a knock at the door.
他开始抱怨起这个邪恶的世道来，却被一阵敲门声打断了。