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
all about your first full day back on the job.
关于你重回工作第一天的全部情况了。
In my opinion,that's an excellent idea.
按照我的意见,那是一个极好的想法。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，