单词	边忧
释义	边忧 biān yōu对边防情况的忧虑。邊憂
随便看	Normal variation in number Normal variation in shape Normal variation in size Normal variation in thickness Normal variation in translucency Normal variation in volume Normal variation in weight normal variety normal vascular bundle Normal vascular flow Normal vasomotor function normal vector normal vector bundle normal vector cardiogram normal vectorcardrogram normal vectorgram normal vector of a surface normal vector of surface normal vector ratio normal vector spreading normal velocity normal velocity component normal velocity distribution normal velocity surface normal velocity vector