outer layer

基本解释

Mushroom bodies are the insect equivalent of the human neocortex, the outer layer of our brain, which handles complex cognition.
昆虫的蘑菇体相当于人类的新皮层——即我们大脑的外层，负责处理复杂的认知加工。
Often, you will only need this in the coldest weather, when the fleece adds extra insulation between your base layer and your outer layer.
通常你只在最冷的日子才需要穿上这一层衣物，羊毛会在你的内衣和外套之间建立一个额外的隔绝层。
In a chilling piece of dialog the film's science officer dissects an extraterrestrial creature: “It's got an outer layer of protein polysaccharides.
电影里有一个冰冷的画面，科学家解剖了一个外星人：“它有一层蛋白质和多糖组成的外胞衣。

Qi Sun explains that the loss of the fiber-rich outer layer allows starch to be absorbed more quickly into the body.
there are many genes that are already expressed and presented in this dimpling and thickening of the outer layer.
在外胚层的凹陷和增厚过程中,表达了很多基因。
斯坦福公开课 - 7个颠覆你思想的演讲课程节选
We can see the early signs of ear development Start with the thickening of the outer layer of the embryo, this layer is called the ectoderm.
大家知道，耳朵发育的早期特征,是胚胎外层膜的增厚，这层膜也叫外胚层。
斯坦福公开课 - 7个颠覆你思想的演讲课程节选

This company will soon prove to be the outer layer of a Russian matryoshka doll.
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