1.
fishes; amphibians; reptiles; birds; mammals.
鱼类；两栖动物类；爬虫类；鸟类；哺乳动物类。
2.
families of ferns and fern allies.
蕨类植物科和蕨类植物的同类植物。
3.
cereal grain suitable as food for human beings.
适合做人类食物的谷类。
4.
Class III article [obscene]
第 iii 类物品〔淫亵〕
5.
Well, birds of a feather flock together.
是啊，物以类聚嘛。
6.
Like to like. -- Cicero
物以类聚。-- 西塞罗
7.
placing of animals and plants into groups according to similarities of structure,origin, etc
（动植物的）分类（法）.
8.
Class II article [indecent]
第 II 类物品〔不雅〕
9.
experimental biology of fer
实验蕨类植物生物学
10.
a spray of ornamental fern
蕨类植物的枝状饰物.
11.
Such polymers are termed addition polymers.
这类聚合物称为加聚物。
12.
a poisonous substance like cyanide
类似氰化物的有毒物质
13.
Food includes: meat, vegetables, noodles, seafood, etc.
食物包括肉类，菜类，面食，海鲜类等等。
14.
support on poles, of climbing plants, such as beans.
爬行类植物用竿支持，比如豆类植物。
15.
The seed ferns included treelike forms.
种子蕨类植物包括树状类型的植物。
16.
A similar device used for an ornament.
类似的饰物用作饰物的类似装置
17.
Animals can be categorized according to the kind of food they eat.
动物可以根据牠们的食物种类来归类。
18.
anteaters are edentate animals.
食蚁类动物都是贫齿类的动物。