Undergirds
vt. 在底部加固（undergird的第三人称单数形式）
🗣️ 情景例句
Yes, I do. Change back into your jeans,
是的， 我想看看。换回你的牛仔裤，
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。
Nearly a week passed before the girl was able to explain what had happened to her.
几乎过了一个星期，那姑娘才能讲述自己的遭遇。