n.（悬崖峭壁的）边沿；（危险的）边沿；边缘；初始状态 双语释义：n.(名词)[S](悬崖峭壁的)边沿 an edge at the top of a cliff or other steep high point[S](危险的)边沿 a state of dangerous nearness; verge英英释义： brink[ briŋk ]n.a region marking a boundary同义词：thresholdvergethe edge of a steep placethe limit