单词	核心群
释义	核心群医ram-breeding flock
随便看	element of a function element of a message exchange element of analytic function element of an arc element of a polyphase circuit element of arc element of architecture element of arc length element of area elementof a set element of association element of a surface element of best approximation element of biogas accumulation element of birth and death element of centring element of coal seam occurrence element of commerce element of complex element of composite symmetry element of cone element of confidence element of construction element of contact element of cost