expanded
/ɪkˈspændɪd/adjective
1- being or having been enlarged, extended or broadened, in particular被扩大的; 被扩展的, 尤指：
1.1
- denoting materials which have a light cellular structure（材料）多孔的; 发泡的, 泡沫的：
expanded polystyrene.
泡沫聚苯乙烯。
1.2
- denoting sheet metal slit and stretched into a mesh, used to reinforce concrete and other brittle materials（金属薄板）网眼的。
1.3
- relatively broad in shape（在形状上）相对宽的：
the expanded fins of the ray.
鳐鱼的宽宽的鳍。