Tetraphthong
四合元音
🗣️ 情景例句
I see. Is a credit card OK?
我明白了。用信用卡可以吗？
Put the cart before the horse.
本末倒置。
But we won't have our big family get-together until Christmas.
但我们要等到圣诞节才会有家庭大团圆。