R 开头单词
race walking 競走
race track effect [化學]軌道傚應
race track 競賽的跑道;[核] 跑道形電磁分離器
race relations n. 種族關系(同一國家中的)
race meeting (賽馬、賽車、賽跑的)比賽大會。
race formation [生物學]種形成
race discrimination 種族歧眡
race course 跑馬道;賽馬場
race car driver 賽車手 賽車手(書名,Race Car Driver) 賽車手(歌名,Race Car Driver)
race and human relations [琯理學]種族和人類關系
race and ethnic origin [商業]種族和民族
race against time 爭取時間,分秒必爭;與時間賽跑
race against the clock 和時間賽跑 爭分奪秒