v extend on all sides of simultaneously; encircle
v envelop completely
v surround so as to force to give up
v surround with a wall in order to fortify
s closely encircling
n. 环境
a. 周围的
1. The surrounding trees provide shade on hot days.
周围的树木在炎热的日子里提供阴凉。
2. She loves the surrounding mountains and often goes hiking.
她喜欢周围的山脉，常常去徒步旅行。
3. The surrounding area is very quiet and peaceful.
周围的地区非常安静和平和。