步足 meaning in English

ambulatory leg
paraeiopod
walking leg

Chela sufficient asymmetry , brawnier , the 4th pair of conditions are sufficient compressed be like an oar , comfortable at swimming
螯足不对称，较粗壮，第四对步足扁平似浆，适于游泳。
The structure of oviduct : 1 . anatomy and histological structure . a pair of oviducts originates from the anterolateral part of the ovary , and ends at the female genital pores lying in the basipodite of the sixth thorax appendage
、输卵管结构主要发现如下： 1 、解剖及组织学结构日本沼虾输卵管一对，发自卵巢两侧，终止于第3步足基节上。
Soldier crabs - which walk forwards , not sideways - live in large numbers on the soft mudflats of chiku lagoon , where they come out to feed at low tide . the crabs are distinguished by their ball - shaped blue carapaces and their long , white , slender legs and claws
直著走的螃蟹和尚蟹，大群栖息在舄湖湿软的滩面，退潮后会出现觅食，蓝紫色圆球状甲壳与白色的细长步足与螯脚为其特徵。