elder是形容词,表示“前辈的”、“年纪较长的”,仅用于同一家庭成员的比较;
older则不限于此。
elder在句中只用作定语,不作表语;
older两者皆可
匿名回答于2024-05-26 01:03:18
My eldest brother lives abroad.
The Theatre Royal is one of the oldest playhouses in Britain.
匿名回答于2024-05-17 17:10:55