Racea拉恰
racen.赛跑;竞争n.人种;种族;血统v.赛跑;竞赛
racemic calcium pantothenate消旋泛酸钙
Race from a standing start.站立起跑的赛跑。
raced my friend downstairs.往楼下追我朋友
raceway parallelism with face滚道对端面的平行度
Race plays a powerful role.种族扮演了一个重要角色。
Racemic Lobeline Hydrochloride
raceway' s shrimp culture mode
racetrack baggage reclaim unit旅客领回行李机动输送系统
racemose corydalis herb or root黄堇
Race relations are good here.此地种族关系良好。