spider crab

spider-crab的词性：
n.（名词）

1. Any of various crabs, such as those of the genera Libinia and Macrocheira, having long legs and a relatively small triangular body.
蜘蛛蟹：各种蟹，如蜘蛛蟹属 及 巨手蟹属 的蟹类，步足很长，身体呈相对较小的三角形