Undertread
n. 底胎面(指轮胎的加固层)
🗣️ 情景例句
How old are you, Albert?
几岁啦， Albert？
Oh well, you'll just have to remember their names.
好吧，你们只好记住他们的名字了。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。