Understructure
n. 基础, 下层结构
🗣️ 情景例句
but she sold us our first house and this one.
我们的第一栋房子和这一栋都是她卖的。
He said he spoke a little English.
他说他会说一些英语。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。