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. 神秘莫测的;难以捉摸的;难以理解的[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;If a person or their expression is inscrutable, it is very hard to know what they are really thinking or what they mean.
多通过句子记忆单词，而不是单独死记硬背。
