点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源,包括PDF教材和音频练习,方便课后复习:
1. 过时的;废弃的;淘汰的If something is obsolescent, it is no longer needed because something better has been invented.
1. becoming obsolete
多通过句子记忆单词,而不是单独死记硬背。