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. (联系)脆弱的;(理由)站不住脚的，牵强的;(地位)不稳固的If you describe something such as a connection, a reason, or someone's position as tenuous, you mean that it is very uncertain or weak.
多通过句子记忆单词，而不是单独死记硬背。
