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：
及物动词
1. 包围;围住;封闭If a place or object is enclosed by something, the place or object is inside that thing or completely surrounded by it.
2. 把…封入信封;随函附上If you enclose something with a letter, you put it in the same envelope as the letter.
动词encircleincludeincloseshut inenvelopfencesurroundcontain
及物动词disclose
多通过句子记忆单词，而不是单独死记硬背。
