1. Silk is a fibrous protein, produced in glands within the spider or silkworm and some insects. 丝类是一种纤维蛋白,由蜘蛛或者桑蚕和某些昆虫的腺体所产生。
2. Sufferers complain of intensely creepy-crawly skin and odd fibrous strands which protrude from open wounds. 患者抱怨说,他们的皮肤非常令人毛骨悚然,并且伤口里还会有一些奇怪的纤维状的物质伸出来。
3. Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it. 棱皮龟没有鲸脂,但它们有和爬行类动物相似的结构:厚且含油的皮肤,下面有一层纤维,再下面是脂肪组织。
4. The pericardium consists of two distinct sublayers: the sturdy outer fibrous pericardium and the inner serous pericardium. 心包由两个不同的亚层组成:坚固的外纤维心包和内浆液心包。