Flavin
n. 黄素\\n[化] 黄素类; 异咯嗪; 五羟黄酮; 栎精
🗣️ 情景例句
in the school and loving every minute of it.
在学校 ，且乐此不疲， 时时如此。
Don't whistle until you are out of the wood.
没有脱离险境，不要过早高兴。
I've been dying to see you.
我非常想见到你。