Blue－green algae grow abundantly in salt marshes.
A、primarilyD
暂无解析
Some cosmetics manufacturers attempt to capture the rose's unmistakable fragrance香味 in soaps and perfumes.
People who do not sleep enough tend to become irritable .
Thefirstpaperwasmadefromthebarkofthemulberrytree.
Some animals pant and sweat to speed evaporation of body moisture and thus cool themselves.
The first paper was made from the bark of the mulberry tree.
