moonwatcher人造卫星: artificial satellite; satell ...轨道: track; pathway; rail; runway ...观测: observe; observation; viewin ...人造卫星轨道: satellite orbits人造卫星轨迹: perigeum下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:人造卫星轨道观测者,即可在微信中查询翻译