词汇	backwater region
释义	backwater region 回水区
随便看	preselection mechanism preselection of counting decades preselection of initial variables preselection of shutter speed preselection of speed preselection of speed, machine tools preselection of tools pre-selection override preselections pre-selections pre-selection sample Preselection,Sex preselection stage preselection switch pre-selection system of contractor preselective preselective control preselective gearbox preselective gear box preselector pre-selector preselector control preselector counter preselector filter preselector gear