爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies.
原始的多细胞海洋动物,其多孔的身体由纤维骨骼构架支撑;通常以固着的群体形式出现。收藏指正
2.The outer layer of the barbules consists of a two-dimensional crystal framework made of melanin rods connected by keratin — a fibrous protein — in a lattice pattern.
外层的小羽枝由一个二维的结晶状结构组成,由黑色素杆状细胞构成,与角蛋白相连——一种纤维状蛋白质——在一种格子式样图案里面。收藏指正
尝试查询