基本解释n.昨天早晨；昨天早上adv.在昨天早晨同根派生 英汉例句双语例句I went to swimming yestermorning.我昨天早晨去游泳了。Did you do yestermorning?昨天早上您做什么了？I had nothing but a bowl of beef-noodle yestermorning.昨天早上我只吃了一碗牛肉面。（兰州特色！chazidian.com