Conavanine
[医] 豆氨酸
🗣️ 情景例句
Good-bye. Take care of yourself.
多多保重，再见。
Can you guess what I was doing this morning?
你能猜到今天上午我在做什么吗？
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。