一名工人用金属箍箍那保险箱.A worker put metal bands around the safe.外科医生在膝盖骨上套了个金属箍以帮助其愈合。Surgeons placed a metal band around the knee cap to help it knit back together.这桶有两个金属箍箍着.The barrel had two metal hoops round it....
Davis won the 400m. hurdles in a new Olympic time of 49.3 sec.戴维斯以49.3秒的成绩刷新奥运会纪录，在400米跨栏赛跑中一举夺冠。There are several hurdles to be got over in this project.在这项工程中有一些困难要克服.I came to the hurdles and stood looking over into t...