A preliminary groundwork must be laid this year.今年要打好初步基础。Objective To study the preliminary effects of modified black diaphragm intraocular lens implantation on aphakia aniridia.目的探讨带虹膜隔人工晶状体在外伤性无虹膜无晶状体眼中的应用价值.A backgro...
The winner of each preliminary goes through to the final.每场初赛的获胜者进入决赛。Some preliminary polls show him out in front.一些初步民意调查显示他处于领先位置。After a few preliminary remarks he announced the winners.说了几句开场白之后，他即宣布优胜者名单。...