Unduplicated
a. 无复制品的,无副本的无法匹敌的, 无法模拟的
🗣️ 情景例句
that I never could have done this book
我不可能完成这本书
Needs must when the devil drives.
情势所迫，只好如此。
When he received a very rude reply from one of the workmen.
其中一个工人粗鲁地回了几句。