yestermorning
n. 昨天早上
adv. 在昨天早上
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!