trapa特拉帕trapn.圈套；陷阱；困境；双轮轻便马车；U（或S）型管道；防臭瓣v.设圈套；陷入（困境）trapping vector捕捉载体trapped charges陷阱电荷trapping theory陷波理论trapping method陷阱法trap evaluation圈闭评价Trapa bispinosan.菱trapped exciton俘获激发子trapping center捕集中心trap hypothesis陷阱假说trapping region俘获区