昆虫类

It is one kind of polysaccharide composed of acetyl glucose- mine.

背景：甲壳素是昆虫和甲壳类动物的外壳中所含的一种物质，是由乙酰氨基葡萄糖组成的聚糖。

Predatory arachnid that usually has silk-spinning organs at the back end of the body; they spin silk to make cocoons for eggs or traps for prey.

食肉型蜘蛛类节肢动物，通常在身体尾部有一个吐丝器官；它们吐丝来结茧或结网以捕捉昆虫。

Study on molecular characters of atagonist indicated that neonicotinoids insecticides and the active pharmaceutical group displayed electro-negative and electro-positive, and study on the interaction between atagonist and nAChR at the complex of subunit of insect and subunit of mammalian indicated that the effect of basic aminoacid in D ring of binding location of ACh is very obvious, and the YXCC in C ring of binding location also attracted the attention too.

激动剂的分子特点研究表明，新烟碱类杀虫剂和ACh药效基团在静电性上分别显示负电性和正电性。用昆虫亚基和脊椎动物亚基组成的杂合受体同激动剂相互作用的研究，主要集中在受体亚基上不同氨基酸残基与不同激动剂结合电生理效应的特点上。

T he main components of benthos are Chironomus and O ligochaeta groups.

物种组成上水生昆虫的摇蚊幼虫和寡毛类的水丝蚓为主要类群。

When the tadpole hatches, it is carried on one of the parents' back to a bromeliad where the parents feed it small insects, ants, spiders, crustaceans, and tiny water animals.

当蝌蚪孵的时候，它向后地被继续父母的中一个到父母喂它小的昆虫，蚂蚁，蜘蛛，甲壳类和极小的水动物的 bromeliad 。

Recent experiments with catnip and cockroach infestations concluded that it is an effective repellent for this type of insect as well.

最近的实验与猫和蟑螂横行的结论是，这是一种有效的驱避这类昆虫以及。

The trailing roots of Water Hyacinth can provide a habitat for a variety of aquatic invertebrates including gastropods, chironomid larvae, dragonfly and damselfly larvae, various beetles, and heteropteran bugs.

凤眼蓝 的根可作为多种水生无脊椎动物的生境，包括腹足类动物、摇蚊科幼虫、蜻蜓和蟌的幼虫、多类甲虫及异翅目昆虫。

As a boy, he collected them on the Connecticut shore and pored over the exquisite studies of John Henry and Anna Botsford Comstock, two 19th-century naturalists, to explore the evolution and the vein-structure of the wings of lepidoptera.

孩童时代，他在康涅狄格州的海滨收集这些昆虫，钻研十九世纪博物学家约翰·亨利和安娜·博茨福得·康斯托克精美绝伦的研究，尝试去探寻鳞翅类生物的翅膀演化规律及其纹理构造。

As a boy, he collected them on the Connecticut shore and pored over theexquisite studies of John Henry and Anna Botsford Comstock, two 19th-centurynaturalists, to explore the evolution and the vein-structure of the wings oflepidoptera.

孩童时代，他在康涅狄格州的海滨收集这些昆虫，钻研十九世纪博物学家约翰·亨利和安娜·博茨福得·康斯托克精美绝伦的研究，尝试去探寻鳞翅类生物的翅膀演化规律及其纹理构造。

Invertebrates ('animals without blood') are insects, crustacea (divided into non-shelled – cephalopods – and shelled) and testacea.

无脊椎动物是昆虫、甲壳纲（分成无壳的—头足类动物—和有壳的）和软体动物。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。