Abob
[化] 嗎啉胍; 嗎啉雙胍
??? 情景例句
Have you ever been to Guangzhou?
你以前來過廣州嗎？
Has he studied French very long?
他學習法語很長時間嗎？
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力賽：獲勝者--3班！（好！）干得好！