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- Door panel made of two layers aluminum. 双层铝合金门板。
- This is a membrane which is made up of two layers. 这是由脏层和壁层两个层组成的膜。
- Eyes are composed of two layers of hemisphere. 眼睛由两层半球组成。
- The periplasm of eggs included two layers. 甜菜夜蛾卵的周质分两层；
- A simile has at least two layers of meaning. 明喻修辞至少有两层含义。
- The head distribution is different in the two layers. 两层中的水头分布不同。
- The mesophyll consists of two layers of palisade parenchyma. 叶肉是由两层栅栏薄壁组织组成。
- The shagreen cell is two layer with chlorophyll. 绿皮细胞2层，有叶绿体；
- When notching two layers of fabric, notch each layer alternately. 两层面料都需打刀眼时,必须一层一层地交替进行。
- Biological membranes are composed of two layers of phospholipid molecules. 生物膜由两层D磷脂分子组成。
- The jacket was lined with a double thickness(= two layers)of fabric. 这件短上衣有两层衬里。
- The research, however, connects two layer strips together. 这项研究，不过，连接两个层带在一起。
- Your skin consists of two layers known as the epidermis and the dermis. 你的皮肤由两层构成，被称为表皮和真皮。
- Your skin is composed of two layers known as the epidermis and the dermis. 你的皮肤是由被称为表皮和真皮的两层组成。
- This makes the sling into a two layered tube. 这样背巾就折成一个双层的环了。
- Because the two meaning has different feature, the aesthetic synonym should be compared in the two layers. 不同的语义层次具有不同的特点，故对审美同义词的比较研究应分两个层面分别进行辨析。
- The two layers of cultural phenomenon, i?e?, substance and signification, determine its semiotic nature. 文化事物总有物质的一面和意义的一面，这就决定了文化现象的符号性质。
- By organizing data block partition, two layer nested bintree were built. 在数据分块组织的基础上构建了两层嵌套二叉树。
- Cold as the weather is,many of our men are still wearing only two layers of thin clothing. 在这样冷的天气里许多士兵还是穿两层单衣。
- Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells. 植入之后不久，胚囊的壁，即滋养细胞含有两层细胞。
