垂直起降軌道up: adv. (superl. uppermost ) 1. ...over: This hat cost over £5. ...trajectory: n. (拋射體的)軌道,彈道;流軌;【幾】軌線。 a c ...over up: 隱藏,掩蓋up-over: 上向鑿井下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯