Abob
[化] 吗啉胍; 吗啉双胍
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
Has he studied French very long?
他学习法语很长时间吗？
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！