单词	矿工锹
释义	矿工锹 banjo
随便看	background transmissivity background transmittance background trapping background trend line background update background updating background user Background vahle of remote sensing background value background-value background value monitoring background value of soil element background value of soil elements background value survey background vapo background vapor pressure background vapour pressure background vapo u r pressure background variable background variation background vibration level background video background visibility background voltage noise background wall