单词练习
44、orbit
参考答案
or·bit/ ˈɔːrbɪt /n. （天体等的） 运行轨道the curved path in space that is followed by an object going round and round a planet, moon, or starCurrently, there are over 5,000 satellites in orbit.目前，有超过 5000 颗卫星在轨道上。
题目详解：
195****9032
orbit运行轨道