Leucoflavin
无色核黄素
🗣️ 情景例句
You are my best friend in the whole world.
你是我在这个世界上最好的朋友。
When you go to buy, use your eyes not your ears.
你去购买东西时，要用眼睛莫用耳。
But Haley was not satisfied.
但是哈利并不满足于这些。