Diphthongs
n. 双元音( diphthong的复数形式 )
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
As the tree falls, so shall it lie.
自作自受。
It's smaller than the blue one.
它比那件蓝色的还要小。