One square millimeter of a gecko's footpad has 14,000 hair-like structures called setae.

壁虎脚趾上平方毫米，有千个毛发状结构叫刚毛。

On Thursday, the space agency released a video on YouTube showing prototypes of the planned Sample Retrieval Lander's legs and footpads being put through their paces at the Jet Propulsion Laboratory (JPL) in Southern California.

周，航天局在 YouTube 发布段视频，展示计划中的样本检索着陆器腿和脚垫的原型，这些原型正在南加州喷气推进实验室（JPL）进行试。

The researchers also tested whether a gecko could latch onto the coating with its notoriously sticky footpads.

科学家还做项验，看壁虎是否能够凭借它那著名的粘脚垫行走在上述涂层上。

The LEM footpads are only, uh...uh, depressed in the surface about, uh, one or two inches.

登月舱的底板只把表面压进两英尺。

It is these tests of the prototype legs and footpads that can be seen in the JPL's Thursday video.

这些原型支腿和脚垫的试在 JPL 周发布的视频中被展示出来。

There were solitary patches of road on the way between Soho and Clerkenwell, and Mr. Lorry, mindful of footpads, always retained Jerry for this service, though it was usually performed a good two hours earlier.

在苏豪广场和克勒肯威尔之间，有些偏僻的小路，劳里先生总是记挂着拦路贼，所以通常在两个小时前就派杰瑞执行这趟差事。

The cat has soft footpads so that it can walk quietly to catch the mouse at night.

猫有柔软的脚垫， 这样它就可以安静地走路， 在晚上抓住老鼠。