1.Molting and metamorphosis are the typical developmental characters in holometabolous insects.
蜕皮与变态是全变态昆虫典型的发育特征。
2.There are about 750, 000 species of named insects and 85% of these are holometabolous.
已定名的昆虫约有750,000种，其中85%的昆虫都是完全变态的。
