Undercrossing
下穿(式立体)交叉
🗣️ 情景例句
Hello, my name is Susan and I am calling to confirm my reservation.
喂，你好，我叫苏珊，我大电话确定我的预定。
I can't stand it.
我受不了。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。