石料开始被用作盖屋顶的材料。Stone began to be used as a roofing material.这座雕像是用整块石料雕成的。The statue was carved out of a single piece of stone.大理石是一种珍贵的石料.Marble is a precious stone....
Conclusion Myocardial protection with intermittent blood cardioplegia is clinically safer procedure.结论间断冷血灌注心肌保护法在临床上更为安全.Objective : To evaluate the myocardial protection of changing temperature blood cardioplegia for h...
Negroes were always so proud of being the bearers of evil tidings.这些黑人总是很得意自己能带回这种坏消息.Later he called a meeting of his party's central office bearers...后来他召集了他所属党派的核心领导人开会。Later he called a meeting of his party'...
Drake and his cohorts were not pleased with my appointment.德雷克那一帮人对我的任命很不满。At the time, his appointment seemed a stroke of genius.当时，对他的任命犹如神来之笔。She arranged an appointment for Friday afternoon at four-fifteen.她在星期五下午4点1...
A new method for determining hydrazide group introduced to polymethyl acrylate resin was established.研究了一种测定聚丙烯酸甲酯上酰肼基团分布的新方法.The instrument can be applied for determining turbidity of sea water, brines and other samples...