单词	upper airspace
释义	upper airspace 上层空域
随便看	laying open laying out laying-out layingout laying-out bench laying out bench laying-out for assembling laying-out machine laying out of projection laying-out table laying out table laying over laying panel laying performance laying period laying pipe laying posture laying rate laying ration laying reel layings laying season laying service laying ship laying siege 同名不同物同名异实同呼吸，共命运同在乾坤内，何须怨别离同堂共学，君子乐之同声则异而相应，意合则未见相亲。同声相应同声相应，……同气相求同声相应，同气相求同声相应，同气相求。光辐射光通信光通量光速光道光量子光鉴光针光闪闪光阴