Chrysogenin
黄青霉素, 点青霉产黄色素
🗣️ 情景例句
How do I address you?
我该怎样称呼你？
He isn't really serious; he's just playing games with her.
他并不是一本正经，只是跟她玩玩游戏而已。
My necklace?
我的项链呀？