broadenv.变宽;扩大;开阔
broaden one's mind开阔心怀
broadening project拓宽工程
broaden the horizon开阔视野
broadened franchise扩大的选民范围
broadening knowledge拓宽知识
broaden one's vision盒形件
broadening null width零限展宽
broadened base period扩张基期
broadened base system扩大基期法,扩张基期法
broaden one's horizon矩形板