The birch tree has white bark, and this tough protective outer layer of the tree, this white bark, is waterproof.
桦树有白色的树皮，树上这个坚硬的保护外层，这个白色的树皮，是防水的。
Today such gravitational compensation probably would not occur: the outer layer of the Moon is too cold and stiff.
今天这种引力补偿很有可能不会发生：月球的外层过于寒冷和坚硬。
Often, you will only need this in the coldest weather, when the fleece adds extra insulation between your base layer and your outer layer.
通常你只会在最冷的天气才需要这个，羊毛会在你的底层和外套之间增加一个额外的隔绝层。
Glass can be used as the outer layer.
外层可以使用玻璃。
Top this with a waterproof, breathable outer layer.
在这一层之上，是防水透气的外层。
The cortex is the outer layer and the outer layer is all crumpled up.
大脑皮层是大脑的外层，上面布满了褶皱。
Their purpose is to remove the damaged outer layer of your skin.
它们的目的是消除损害外层你的皮肤。
Still in the running is a huge impact that blew away an outer layer of Mercury.
现在还有可能的假说指出是另外的一次大冲击毁坏了水星的外层结构。
Wear an outer layer of breathable, wind-resistant, water-resistant material.
穿一件抗风防水材料制成的透气的外套。
The outer layer of the cerebrum is called the cortex (also known as "gray matter").
大脑外层叫做皮质(也称“灰质”)。
Having nibbled off the thin outer layer of fruit, the civets put their digestive juices to work.
其次，在咬掉咖啡果实外面以层薄薄的壳后，麝香猫把咖啡豆吞入肚中让消化液进行消化。
The act itself is quite simple, you strip away the outer layer, and reveal what's underneath.
这种表演本身是很容易的，你先剥掉外衣，就能暴露人们所掩盖的。
First, our lips don't have the same protective outer layer as the skin elsewhere on our bodies.
第一，我们身体其他部位的肌肤有一层“保护层”，这是嘴唇所没有的。
You don't need a waterproof outer layer, but it's good to have a significant degree of water resistance.
你并不需要密不透水的外套，但是它需要对水有一定的抗性。
The outer layer of skin is made up of fibers woven in a three-dimensional pattern that acts like a sponge.
皮肤表层是由纤维以三维模式交织构成，起到了海绵一样的作用。
It sends chemical signals to the cerebral cortex, the outer layer of the brain, related to reasoning and memory.
它向脑部最外层的大脑皮层发送化学信号，从而影响推理和记忆功能。
With more than a mile to go, the outer layer of a porthole cracked under the pressure of six miles of sea water.
每深入一英里，观察窗的外层就会在六英里海水的压力下压碎。
My work is just beginning to peel away the outer layer of what might be important to the state of our oceans.
我的工作才刚刚起步，才刚刚剥开可能对揭开海洋状况很重要的外衣。
As collision objects for outer layer, you can duplicate simulated mesh of inner layers; inner shirts and pants.
由于碰撞物体的外层，你可以复制模拟网的内层，内层衬衣和裤子。
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。
The inner layer of the antenna contains nanotubes with a small bandgap, and nanotubes in the outer layer have a higher bandgap.
天线内层是窄带隙的纳米管，与此相反，外层的纳米管则具有较宽的带隙。
Such a beam would easily penetrate the star's outer layer, but the stellar core would be sufficiently dense to absorb part of it.
这种光束很容易穿透恒星的外层，但是恒星的内核的密度将足以吸收其中的一部分。
It's very important to wear a windbreaker as your outer layer, since wind is often the biggest contributor to winter coldness.
抗风非常重要，我们感觉冬天很冷的主要是因为风在起作用。
The human body regrows its outer layer of skin every two to four weeks, and bits and pieces of the old skin break off - to become dust.
人体皮肤外层每2至4周更新一次。老化的皮肤将会脱落，成为灰尘的一部分。
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。
It is a single molecule: a pheromone protein incorporated into the outer layer of egg capsules by glands in the female reproductive tract.
答案就是一种单分子，这种费洛蒙通过雌性乌贼的生殖腺渗入卵鞘。
In the outer layer (ectoderm) the neural tube is forming from which the baby's nervous system-brain spinal cord skin and hair-will develop.
在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
Each tentacle has about 5, 000 stinging cells, which are triggered not by touch but by the presence of a chemical on the outer layer of its prey.
每条触手大约有5000个刺细胞，这些细胞的触发不是由于触摸，而是由于猎物的外层化学物质。
In the outer layer (ectoderm) the neural tube is forming, from which the baby's nervous system-brain, spinal cord, skin and hair-will develop.
在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。
In this case, that means the excitons in the outer layer flow to the inner layer, where they can exist in a lower (but still excited) energy state.
因此，这就意味着激子从纳米管外层流向内层，并以较低(但仍为激发态)的能态存在于纳米管中。
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