他的行走速度是多少？
Walking speed might help you reflect or monitor how healthy you are.
她补充道，“步行速度可以监测你的健康程度。”
Walking feels good, but he knows he can pick up some speed.
走路让他感觉很好，但是他知道他可以提高一点速度。
Nonetheless, the researchers believe walking naked would speed up walking development.
尽管如此，研究人员认为不戴尿布会加速儿童行走的发育。
We are walking at the speed of one mile at hour.
我们以每小时一哩的速度行进。
We are walking at the speed of one mile at hour.
我们以每小时一哩的速度行进。
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