On June 15th its digging arm turned up several dice-sized clumps of bright material.

在6月15日，它的挖掘臂刨出了几个骰子大小的明亮物质。

youdao

Gloves: Black leather or leather-like material, mid-forearm in length. The upper surface is quilted in lines running parallel with the arm.

手套：黑色真皮或皮革类材料，长及前臂的一半处。上部为有内衬垫并有与手臂平行纵向缝合线。

youdao

Large dancer arm keeps material from being reverse-bent during the feed process Speed and tube tension are auto-adjusted by computer.

大型松紧调节臂不断从进料加工过程中反向弯曲的材料速度与管张力通过计算机自动调整。

youdao

These devices use rope-like material to carry movement from the shoulder to the prosthetic arm.

VOA: special.2009.03.10