There are some dirts there.那儿有一些污垢.A defect caused by worn gears or dirts gathered on gears of a press cylinder.是印刷机上的圆筒齿轮因磨蚀或污物堆积所引致的故障.Paper samples must be free of fingerprints, dirts, wrinkles, and stored in a clean ...
These figures were often spuriously computed by selecting particularly favorable sample groups.这些数字往往是用错误的方法计算出来的，所用的都是特别挑选出来的对自己有利的样本组。The sample was selected from the medical records of two general practices.样本选自两个全科诊所...
Our teacher is known for her fairness in grading pupils.我们的老师以给学生评分公平著称.The teacher spent all weekend grading the children's papers.那位教师花了整个周末给孩子们的试卷打分数.The teachers are grading the papers.老师们正在给卷子打分数....
Syria will attend only if the negotiations deal with issues of substance.只有在谈判涉及重大问题时叙利亚才会参加。All three are Chelsea fans, and attend all home games together.3个人都是切尔西队的球迷，一起观看了所有的主场比赛。The Matron at the nursing home express...