Flavin
n. 黄素\\n[化] 黄素类; 异咯嗪; 五羟黄酮; 栎精
🗣️ 情景例句
Could I trouble you for directions?
打扰了，我想问问路。
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
一个飞行员发现了一只气球，它像是正飞往附近的一个皇家空军基地。