- envelop
 - [in'veləp, 'envələup]
 - vt. 包围;包封;遮盖
n. 信封;包裹 
参考例子
           - 1.The long cloak she was wearing enveloped her completely.
 - 她穿着的斗篷把她全包裹起来了。
 
- 2.Can you give me a return envelop?
 - 你能给我一个回邮信封吗?
 
- 3.We need to reclaim their fates and envelop them in ours.
 - 我们必须收回他们的命运和信封在我们的。
 
英文解释
           - v.
 - 1.enclose or enfold completely with or as if with a covering
 
网络释义
               - envelop
 - 包被; 包围,围绕; 包容线; 把—包住,裹住;
 
- ray envelop
 - 光束包络,射线包迹;
 
- Encapsulation Envelop
 - 封装;
 
- Air Envelop
 - 大气层;
 
- envelop address
 - 封装地址;