都是“当……的时候”:when 和 while,有什么区别?
通常指时间点或一段时间(at or during the time that),引导时间状语从句,从句动词是瞬间动词或延续性动词;
动词 met teacher typicallyrefers 2025-07-07 16:35 3
通常指时间点或一段时间(at or during the time that),引导时间状语从句,从句动词是瞬间动词或延续性动词;
动词 met teacher typicallyrefers 2025-07-07 16:35 3