surround
词根词缀：
前缀
sur-
1 上；超；外加
2 （常在同辅音词根前）下
surrender v. 放弃；投降
sur 下 + render 放弃 → 放弃；投降
surround v. 包围
sur 下 + round 圆圈 → 在下面围一圈 → 包围
surrounding n. 环境
surround + ing 表情况 → 周围的情况 → 环境
数据来源：新东方英语词汇速记大全
相关例句：
A myriad of stars surround the moon.
众星拱月。
The decision had been agreed in principle before today's meeting, but some controversy surrounded it
该决定在今天的会议之前就已达成原则上的共识，但围绕这一决定还存在一些争议。
I need some people to surround this house right now.
我需要人立刻包围这所房子。
Surround yourself with motivated people.
和充满动力的人在一起。
Surround yourself with things that inspire you and make you happy including flowers, music and pictures.
周围放一些能够激励你和让你高兴的物品，比如鲜花、音乐和照片。
The shell surrounding the egg has many important functions.
蛋壳有许多重要的功能。