那时候，牙科学刚起步，拔牙都不打麻药。In those days, dentistry was basic. Extractions were carried out without anaesthetic.他用过麻药,现在仍眩晕无力.He's still groggy from the anaesthetic.局麻药溶液中加入肾上腺素,使血管收缩.The addition of epinephrine to local an...
采用这项技术可以从矿石浸出液制备钇富集物.The mentioned technology can be used for producing yttrium concentrate from ore leaching liquor.针对地浸矿山潜水泵提升浸出液的特点,研制了车载式电动提放潜水泵装置.The design sand pump for mine is discussed , and the method of increa...
她穿着羊毛宽松裤和涡旋花纹宽袍。She was wearing wool slacks and a paisley smock.他穿着宽松裤和宽松衬衫，那是夏日夜晚的理想穿着。He was dressed in a pyjama and kurta, ideal for a summer evening.我穿上了一条高尔夫球宽松裤.I put on a pair of golfing slacks....
A brilliant shaft of sunlight burst through the doorway.一束耀眼的阳光从门口照射进来。Jackie was running around with all these brilliant people.杰姬混迹于这些才华横溢的人之间。He is a terrific athlete and a brilliant jumper.他是个出色的运动员，弹跳力非常好。...