circum-

例句：

1. 1. Themoon is circum-navigating the Earth tonight.
   今晚月亮在环绕地球航行。
2. 2. The car was circum-blocked by a large tree.
   那辆车被一棵大树环绕着。
3. 3. The city is circum-encircled by a river.
   这个城市被一条河流环绕着。