All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.

The first paper was made from the bark of the mulberry tree.

Insect pests are among the leading causes of crop failure.

Theflowerbudofawaterlily百合opensatsunsetsince.itsopeningistriggered(commence).bythedecreasedlight.

Cream of tartar 酒石 , a weak acid, can be added to egg whites to help them foam泡沫 when they are beaten