边缘: 1.(沿边的部分) border; edge; fringe; margin; rim; limb; skirt; verge; brink; periphery 短语和例子经济破产的边缘 the verge of economic bankruptcy; 悬崖的边缘 the edge of a precipice; 森林的边缘 the fringe of a forest
标记: (标志; 记号; 货物标记) tab; sign; stamp; peg; label; mark; flag; blip; notation; fleck; track; branding; marker; tag; symbol 短语和例子探清地雷, 作出标记 locate the landmines and mark their location; 作为标记 serv