由皮的

Keratinous layer, the outer of epidermis, is made up of flat keratinous epithelia that have degenerated lifeless.

角质层是表皮最上一层，由角质化的扁平上皮细胞组成，它们的结构都已退化，无生命，经常脱落形成皮屑，该层含水量很少。

Gynoecium of 2 carpels united into a compound and 1-loculed ovary; styles distinct or united only at base; ovule solitary, basal, erect, orthotropous.

雌蕊群由2个心皮，合生成一个复合的1室的子房；花柱离生或者只在基部结合；胚珠单生，基部着生，直立。

The results showed that the phytophagous insects in the spruce forest in Qilian Mountains exhibited obvious vertival stratification structure. According to the amounty of species of each structure, it could be divided into 6 insect communities, namely the insects community of the shrub and herbage (928 species), of the soil and root (780 species), of the tender end and needle (117 species), of the stem phloem and xylem (66 species), of the branch thin end twig shin (38 species), of the blossom and seed and fruit (14 species).

结果表明祁连山区青海云杉林中植食性昆虫具有明显的垂直分层结构，根据林分的垂直结构和昆虫寄生、取食树木组织部位可划分为6个群落，其种类由多到少依次为灌木和草本层昆虫群落（928种），土壤与根部昆虫群落（约780种），嫩梢与针叶昆虫群落（117种），树干韧皮部与木质部昆虫群落（66种）、枝梢与嫩皮昆虫群落（38种）、花与种实昆虫群落（14种）。

It contains an extensive and fascinating article by Robert Welsh, The Place of Composition 12 with Small Blue Square in the Art of Piet Mondrian.

它包含一个由罗伯特威尔士，广泛和迷人的蓝条的位置是小作文12广场在蒙德里安艺术皮特。

The surveys were conducted by CBS News and the New York Times, ABC News and the Washington Post, and Quinnipiac University in Connecticut.

这三项民意调查分别由哥伦比亚广播公司和纽约时报、美国广播公司和华盛顿邮报以及康涅迪克州的昆尼皮亚克大学所进行的。

The secrection of the pyramidal secretory cells is ejected into the spermathecal cavity through secretory canals. The preliminary histochemical stainings shows that the secretion is a kind of glycoprotein and probably plays an important role in storing sperms.

上皮层由两种上皮细胞构成，其中锥形分泌细胞的分泌物经分泌管排入受精囊腔，组化染色初步表明其分泌物是一种糖蛋白，可能对精子的保存有重要作用。

A chronic skin infection, usually of the scalp, caused by fungi of the genus Trichophyton and characterized by the development of thick, yellow ''.

黄癣一种慢性皮肤传染病，通常发生在头皮，由发癣菌属的细菌引起，特点是发囊上形成厚而黄的硬皮

Verrucous carcinoma is composed of lobules of mature squamous epithelium with minimal atypia , but they are ulcerating or fungating .

疣状癌由小叶状的具有轻度异型性的成熟鳞状上皮组成，并且呈溃疡或真菌样生长。

For example, in certain cases of food poisoning caused by bacteria, say E.coli, clostridia or salmonella, the bacteria produce a toxin that damages epithelial cells.

比方说，一些由细菌所引起的食物中毒事件，像是大肠杆菌、肉毒杆菌或是沙门氏菌会分泌出伤害上皮细胞的毒素。

What is perhaps worse, most organic materials are perishable.

任何由木头，生皮，绒线，亚麻，草，毛发以及相似物质做成的东西除非在一些非常特殊的条件下，几年或几个世纪以后，会在尘土中腐烂并消失。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！