Mary McCarthy s satires 讽刺文学 are couched in a prose style that has a classic precision.

The controls of most modern airplanes can be operated either manually or automatically.

When carbon is added to iron in the proper proportions , the result is steel.

In 1861 it seemed inevitable that the Southern states would break away from the Union.

HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?