It is foreseen that, due to the decline in grain production, China will quickly become a world leading grain importing country, overtaking Japan.

Her proficiency in English rapidly improved.

In the last typhoon, the wind blew at over 200 kilometers per hour!

The tropical rainforests, located in a narrow region near the equator, are disappearing so fast that by the year 2000 eighty percent of them may be gone.

The highway is snarled up.

I want to play a game where a noble, female, knight with the nickname of light-speed freely manipulates gravity.

Something else to be borne in mind here is the rapidity with which the virus can reproduce.

My heart quickened.

Heck, with oboe players there are those who, rather than search for a reed that suits them, find it faster to make their own.

The earth moves at the rate of 68,130 miles an hour.

The expressway was congested with thousands of cars.

In particular it is customary for actual examples of use of the harmonic mean generally cover "average speed," and explain no further than that.

On hearing the whistle, they started at full speed.

There is an extra charge for mailing packages by express.

The speed of the spread of AIDS is horrifyingly fast.