trajectory orbit弹道: trajectory; pathway; path; b ...轨道: track; pathway; rail; runway ...弹道轨道发射: ballistic launch半弹道轨迹: semi-ballistic trajectory弹道轨迹: ballistic trajectory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:弹道轨道,即可在微信中查询翻译