The fragments themselves almost certainly contained no sulfur, but astronomers believe that the cloud layer below Jupiter's outer atmosphere does contain sulfur.
这些碎片本身几乎不含硫，但天文学家相信，木星外层大气之下的云层中确实含有硫。
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。
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。
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。
Adult male deer usually produce rubs in late summer or early autumn when the outer velvet layer is being shed from their antlers.
成年公鹿通常在夏末或初秋鹿茸脱落时制造擦痕。
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。
Others use theirs to create castes of acquaintances: those with only an outer layer of business coordinates; those with "private E-mail" penetration; and those with the vaunted home phone.
其他人用这些分析出不同熟悉层次的人群：一些只是很外层的生意上的合作者；一些比较熟悉的使用“私人邮箱的”；还有一些能有家庭电话的。
This synaptic pruning, as it is called, causes the brain's cortex-the outer layer of gray matter where we do much of our conscious and complicated thinking-to become thinner but more efficient.
我们称之为突触的自我修剪，保持意识清醒和用来复杂思维的大脑皮层，外面的灰质外层变得更薄但更高效。
‘For example, we can put something such as sodium in the core, mixing with a transition metal and then coated with a protective outer layer. I don’t think you could make these by any other means.
例如，我们可以将钠与一种过渡金属作为内核，并在外面包裹一层保护层。
The kind of authorization provided by a Web server like Apache might be called coarse-grained access control because it provides only an outer layer of security.
诸如apache等Web服务器提供的授权类型可以称为粗粒度访问控制，因为它只提供了一个外部安全层。
Shell to harden. Before that happens, this outer layer of tissue is too soft and flexible to transmit muscle contractions as it did, and will do again when the.
在壳变硬之前，外面的那层“壳”太软太韧了，以致于无法进行正常的肌肉收缩。
The acidic pH interacts with the hair's slightly negative charge to help the cuticle, the outer layer of the hair, maintain a smooth, flat surface.
酸性PH值和头发上的微量的负电荷相互作用，以此来帮助毛小皮，即头发表面的一层，保持表面光滑平整。
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。
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。
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。
We shed skin constantly — each of us replacing our outer layer of skin every two to four weeks — and all of those skin flakes may help reduce levels of certain pollutants in indoor environments.
我们的皮肤在不停地剥落——每个人每两到四周就会更换一次表层皮肤——而所有那些脱落的皮肤可以帮助减少室内环境中的某些污染物含量。
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。
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。
Top this with a waterproof, breathable outer layer.
在这一层之上，是防水透气的外层。
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 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。
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。
HAR1 is expressed before birth in the developing neocortex—the outer layer of the brain that seems to be involved in higher functions such as language, conscious thought and sensory perception.
HAR1在妊娠期的新皮质——大脑的外层，可能同语言、意识思维和感知等高级功能有关——发育期间开始表达。
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。
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。
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。
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。
The inner layer of the membrane is small enough to prevent the cells from leaking out, but the outer layer is large enough to encourage blood vessels to grow along the membrane.
薄膜内层间隙足够小，细胞不会渗漏出去。膜的外层间隙足够大，血管能沿着膜面生长。
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。
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