By describing the surface forms and underlying bone structure and how they work together to permit movement, the DVD is useful for teaching sculpture as well as figure drawing.

通过描述表面形式和基本骨骼结构，以及它们如何一起工作，使运动，DVD是有益的教学雕塑以及数字绘图。

youdao

Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.

臭氧在距地球表面12至30英里的地方形成一个保护层。

《柯林斯英汉双解大词典》

So sediment is transported and then deposited and it forms layers on the Earth's surface over time.

所以沉积物被运输，然后沉积，随着时间的推移，它在地球表面形成了层。

youdao

"Well,one of the things that's interesting about these flexible sheets is that they can be curved, so you could imagine putting them in unconventional forms, like on the surface of a vehicle or something like that, where you don't have a flat surface."

VOA: standard.2010.02.19

The ice then melts, leaving a space below the surface, which caves in under the stress of vehicles and eventually forms a pothole.

BBC: Jetpatchers at work

And only 10% of the life forms inhabiting that unknown world are known to those on the surface.

FORBES: Richard Branson On Exploring The Final Frontier

Worse yet, the capacity for still-more-deadly forms of terrorism is growing as surface-to-air missiles, high explosives and other ordnance are being smuggled across the now effectively open border with Egypt.

CENTERFORSECURITYPOLICY: Mineshaft canaries