Desert sand shaped by wind is more rounded than sand shaped by water.

风形成的沙漠沙比水形成的沙。

How do these differences come about?

这些不用是如何形成的？

They hold a shape in the mouth.

嘴巴形成个形状。

These disks are the remnants of planetary formation.

这些盘是行星形成的剩余物质.

There is an unlikely alliance forming between Brazil's leftwing and rightwing parties.

巴西左翼和右翼政党之间形成了似乎不太能形成的联盟。

Some valleys are formed by flowing water, and others are formed by glaciers.

些山谷是由流水形成的，另些是由冰川形成的。

They can make two dimensional forms as sheets, or three dimensional crystals.

它们能形成片状的二维结构，或维晶体。

Stalagmites grow up where lime laid and drips hit the cave floor.

含有石灰质的水滴落石床形成石笋。

Entirely new business models are emerging; three main ones were identified by the report's authors.

全的商务模式正在形成，报告作者总结出其中。

So you have an oxygen with 2 hydrogens and it forms this big lattice structure.

它们形成了这个大的晶体结构它们形成了这个大的晶体结构。

Perfectionism develops in our formative years, and so young people are more vulnerable.

完美主义是在我们性格形成阶段形成的，所以年轻人容易受到伤害。

That material rapidly coalesces, and bingo, you've got a moon.

这些物质迅速结合，没错，之后就形成了月球。

So a lot of it just comes down to grunt work.

所以量变形成质变。

6 billion years ago the earth forms.

46亿年前地球形成。

And this is contrasted by the lady's social skills and common sense.

这与剧中女性形成鲜明对比。

New shores were formed and totally different creatures would have washed up onto the shores.

的海岸形成了，完全不同的生物被冲向了海岸。

And those massive amounts of particles can cause clouds to form.

排出的巨量微粒便会形成云朵。

Today's rain is a sharp contrast to yesterday's sunshine.

今天的雨与昨天的阳光形成鲜明对比。

And they can see flash flooding very quickly.

并且洪水形成的速度很快。

Which is the start of cancer formation.

这正是癌症形成的起点。