词汇	failure of nerve
释义	failure of nerve un.缺乏胆识
随便看	underground injection Underground in-situ crusher underground installation underground insulated cable distribution under-ground interaction underground interchange underground investigation by informers Underground iquid underground irrigation underground joint box underground journalism underground karst caves underground karst cavity underground kohlrabi underground laboratory underground labour underground lake underground lane underground large-scale structure underground launcher underground launching underground launching silo underground-launch silo underground law underground layer