发啧啧声的英文：
AAH

We oohed and aahed over our handiwork as the presents were exchanged
在交换礼物时我们为对方亲手做的小礼品不停地欢呼叫好。

The crowd was oohing and aahing beside the panda's enclosure.
众人在熊猫的围栏旁边惊喜的叫着。