Quadrine
[化] α-氨基丁酸; α-氨基正丁酸
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
Stop bossing me around!
别管闲事！
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。