Leucoflavin
无色核黄素
🗣️ 情景例句
I'm happy to work with you.
很高兴和你们一起工作。
Express your ideas clearly to me.
把你的构想向我说清楚。
He was just able to lie down on the ground, but could not stand up.
他只能躺在地上，但不能站起来。