range zone

例句：

1. 1. The range of the satellite is about200 kilometers.
   这颗卫星的射程大约是200公里。
2. 2. Thescientists are conducting experiments in a rangezone.
   科学家们正在一个范围区域内进行实验。
3. 3.The firefighters were able to reachthe range zone and extinguishthe flames.
   消防员们能够到达范围区域并扑灭火焰。