Most artificial joints are cemented into place.多数人工关节是用骨水泥固定到位的。The knee and ankle joints must be immobilized — this usually means up to six weeks in plaster.膝关节和踝关节必须加以固定——这通常意味着要打上 6 个星期的石膏。The old man's joints we...
Twelve extremely good-looking, smooth young men have been picked as finalists.12名特别漂亮精明的青年男子被选为参加决赛的选手。He was smart and well groomed but not good looking.他仪容整洁，穿戴漂亮，就是人长得不好看。His friend was less good-looking, but a lot mo...
That's exactly what researchers at the French firm Genset think they've come up with.这正是法国基塞(genset)公司研究人员考虑的问题,他们已实现了这一愿望.Our C, CL, CLE series of genset adopt half open structure which will reduce noise much....
Vigorous youth is subjected to rigorous discipline.活泼的年轻人须受到严格的纪律约束。The Youth Training Scheme was operative by the end of 1983.青年培训计划一直持续到1983年底。The scene awakens reminiscences of my youth.这景象唤起我年轻时的往事.Youth changes divi...