单词	core courses
释义	core courses 核心科目
随便看	end-piled loading End-piling endpin end pin endpins end pipe connection end place end plane end plank washer plate end-plate endplate end plate end-plate fin end plate grid end plate hanging hook end plate noise end plate nozzle end plate oiler end plate potential endplate potential end-plate potential end-plates endplates end plate side end platform 头发胡子一把抓头发胡子一把抓，不分个青红皂白头发虽细，也有影子头发长，见识短头回上当，二回心亮头回生，二回熟头头不了，账账不清头头是道，如数家珍头如翔鸾月颊光，背如安舆凫臆方。头嫁由亲，二嫁由身短身短軀短針短銃短靴短音短音階短髪矮小矮星