| 单词 | 最外层 |
| 释义 | 〔cuticle〕The outermost layer of the skin of vertebrates; epidermis.表皮：脊椎动物皮肤的最外层；表皮〔trophoblast〕The outermost layer of cells of the blastocyst that attaches the fertilized ovum to the uterine wall and serves as a nutritive pathway for the embryo. Also called trophoderm 胚胎滋养层：囊胚细胞的最外层，它会将受精卵与子宫壁连在一起，同时它是胚胎获取营养的通道 也作 trophoderm〔aleurone〕A granular protein found in the endosperm of many seeds or forming the outermost layer in cereal grains.蛋白质微粒：许多种子胚乳中存在的颗粒状蛋白质或构成谷类最外层的颗粒状蛋白质〔exospore〕The outermost layer of a spore in some algae and fungi.孢子外壁：某些水藻和真菌孢子的最外层壁〔sial〕Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses.硅铝带，硅铝层：由富含硅和铝的岩石组成的所有大陆块下面的最外层地壳〔endocranium〕The outermost layer of the dura mater.硬脑脊膜的最外层〔window〕An area at the outer limits of the earth's atmosphere through which a spacecraft must pass in order to return safely.大气窗：地球大气最外层的地区，宇宙飞船必须通过此地才能安全回归地球〔scrape〕To remove (an outer layer, for example) from a surface by forceful strokes of an edged or rough instrument:刮除，擦掉：用带梭或者粗糙的工具把（例如，最外层的物体）从表面移走：〔epidermis〕An integument or outer layer of various invertebrates.表皮皮层：非脊椎动物最外层的皮层〔zest〕The outermost part of the rind of an orange or a lemon, used as flavoring.橙皮：用作调味香料的柳橙皮或柠檬皮的最外层部分〔shell〕The outermost layer of a lined garment such as a coat or jacket:衣服外层：加衬里服装如大衣或夹克的最外层：〔exocarp〕The outermost layer of the fruit wall. Also called epicarp 外果皮：果皮的最外层 也作 epicarp |
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