And the hind leg has what we call a double-trochleated astragalus.

其后腿上有我们称作双滑轮结构距骨。

It even had a special ankle bone, called an astragalus, shaped kind of like a pulley.

甚至还有一块特殊踝骨，叫做黄芪，形状有点像滑轮。

And this is an astragalus or an ankle bone, which has a both an upper and lower curved surface which allows the spring in the step.

这就是一块距骨或者说踝骨，其表面同时有上和弯曲，使之在走路时有弹性。

On the borders of little streams larger plants flourish — lupines, daisies, asters, goldenrods, hairbell, mountain columbine, potentilla, astragalus and a few gentians; with charming heathworts — bryanthus, cassiope, kalmia, vaccinium in boulder-fringing rings or bank covers.

在小溪流边缘，较大植物繁茂——羽扇豆、雏菊、紫苑、黄花、毛铃、山耧斗菜、委陵菜、黄芪和一些龙胆；与迷人石南花 — bryanthus、casiope、kalmia、巨石边缘环或银行盖中牛痘。