Valib
n. 有效
🗣️ 情景例句
We have 5 international patents which we are ready to sell.
我们有五项国际专利可以出售。
A brave retreat is a brave exploit.
勇退即勇绩。
When we later walked down the main street of the villager, we were followed by a silent procession of children.
后来，我们在村里的主要街道上行走的时候，一队默不作声的孩子跟在我们后头。