名词桡骨；半径范围；半径（长度）；周围网络远程用户拨号认证系统(remoteauthenticationdialinuserservice)；界限；辐射光线
名词
1. There are three lakes within a radius of five miles.
周围五英里之内有三个湖泊。
2. radius的翻译
2. They searched within a radius of one mile from the school.
他们在学校周围1英里内寻找。
3. The police searched all the fields and woods within a radius of two miles.
警察搜查了半径两英里范围内所有的田野和森林。