This is a robotic walking machine, bipedal, about 4 meters tall.
这是一个行走机器人，双足，高约4米。
A few years ago Pauline built a complicated four-legged giant walking machine. Twelve feet high, cube in shape, not very smart or nimble, but it did shuffle along slowly.
几年前，波林制造出一个结构复杂的特大型四足行走机器，高12英尺，方方正正的，既不聪明也不敏捷，但它确实拖着脚慢慢地挪动了。
The control is a key problem to develop walking machine.
控制问题是步行机研制中的关键问题。
Generally, there is a step counter on a walking machine to show how many kilometers you've walked.
走步机上一般都有计步表可以计算你走的公里数。
Generally, there is a step counter on a walking machine to show how many kilometers you've walked.
走步机上一般都有计步表可以计算你走的公里数。
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