单词	embryonic sac
释义	embryonic sac [医] 胚囊
随便看	labour reserve labour resource geography labour resources labour reward labours labour safety labour safety devices labour safety science labo(u)r-saving laboursaving labour-saving labour saving labour saving device labour-saving device labo(u)r-saving equipment labour saving equipment labour saving investment labo(u)r-saving investment labour saving machinery industry labour-saving method labour saving ratio labo(u)r-saving ratio labour saving technical progress labo(u)r-saving technical progress labo(u)r-saving technology 捝捞损捡换捣捥捧捨捩テッキジダイテッキョテッキョウテッキリテッキンテッキンテッキンコンクリートテックステッケツテッケツ