词汇	calving interval
释义	calving interval 产犊间隔
随便看	Region deploying region depth marking region description region detection region-developing Region Developing Idea region development region development competitiveness Region Development Division region development environment region difference region differences region differentiation region disaster reduction foundation capability region disconnecting region discrepancy region disparity region display region display options Region distribution region district region divided method region division region doctrine region doctrine on East Asia