英语词汇“natural background”的翻译、意思、用法、释义-英汉汉英双解词典

单词	natural background
释义	natural background短语¹⁸⁰⁰⁹⁸⁺¹自然本底
随便看	fogrum fogs fog-s fog scale fog seal fog-seal fog seal coat fog sealing fog sealing course fog sealing layer fog season Fog seeped through the trees fog sensor fog separator Fog severely restricted visibility Fogs hide the mountain peaks fog shower fog shroud fog shut down rapidly fogsignal fog signal fog-signal Fog Signal Emitter fog signal light fog signalling plant