As the students already know the language structures very well after steps one and two, they can often do this at a natural speed.

And each kind had, as on Earth, its own nature and natural speed of growth.

I want to see which has most natural speed.

No one has yet attempted to reach the natural speed of light without using this apparatus.

He's got so much natural speed that I didn't want to push him too hard in the early going.

But this horse has good natural speed, so I don't think the 12-hole will bother us that much.

She quickly seized the lead with her natural speed, and held it.

Allison seemed to have good natural speed, and soon she started winning.

He still must prove himself at two turns, but should be able to use his natural speed to greater advantage in the Wood.

Gifted with natural speed of hand and eye, he had improved by constant practice.