该大陆地壳最古老的那些部分有40亿年了。
The most ancient parts of the continental crust are 4000 million years old.
蜗牛壳呈螺旋形。
那家美国的壳公司为竞购金斯顿通信公司而成立。
The U.S. shell company was set up to mount a bid for Kingston Communications.
他为什么不带一个又硬又重的壳呢？
勿将带壳的鸡蛋放入微波炉内加热。
有些动物例如蜗牛有一个壳。
他的鞋子是用椰子壳做的。
这种挖洞的方式阻碍了藤壶粘附在壳上。
Such burrowing discourages barnacles from clinging to their shells.
海龟是带壳的爬行动物。
幸运的是，他最后找到了一个大的空蜗牛壳。
乌龟有坚硬的壳。
为了脱身，其余的壳就会以逆时针方向绕着牙齿旋转。
The rest of the shell is rolled towards the tooth in an anticlockwise direction, in order to remove it.
有趣的是，那里有蛤蜊和蜗牛壳，但是，没有鱼的化石。
Interestingly, there are clams and snail shells; but, no fossils of fish.
我们只能慢慢地移动，所以我们需要一个壳来保护我们。
随着时间的推移，地球大陆地壳的组成发生了巨大的变化。
Earth's continental crust has changed significantly in composition overtime.
你也可以用枣种子、竹屑和牡蛎壳，它们有助于放松你的心灵。
You could also look for jujube seed, bamboo shavings, and oyster shell, which soothe the mind and spirit.
数百艘船的钢壳在冰冷的北大西洋中裂开，其中12艘船裂成两半沉没。
The steel shells of hundreds of the ships cracked in the icy north Atlantic, and 12 broke in half and sank.
很多其它的过程可能会改变蛤蜊或者蜗牛的壳，增加它被保存下来的几率。
Many other processes may after the shell of a clam or snail and enhance its chances for preservation.
不同沉积层中保存的壳有不同的含量比例，显示出更新代海洋温度的变化。
Different ratios in the shells preserved in various layers of sediment reveal the temperature changes in the oceans during the Pleistocene epoch.
身穿橘袍的僧人向神灵献上鲜花和食物，并在海螺壳上发出萦绕不去的声音。
Monks in orange robes offer flowers and food to the gods and produce haunting sounds on conch shells.
位于壳中部的是小型球形绿色星体，绽放时，在烟花核心形成凫蓝色牡丹图案。
In the center of the shell are tiny round green stars that burst as a teal peony at the firework's nucleus.
在有孔虫壳的方解石中发现的氧-16和氧-18的比例取决于该生物生存处的水温。
The ratio of oxygen-16 to oxygen-18 found in the calcite of a foraminifer's shell depends on the temperature of the water in which the organism lived.
板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
在《蝇王》一书中，角色通过构建下面的规则克服了类似的问题：谁拿到了指定的海螺壳，谁就可以发言。
In Lord of the Flies, the characters overcome a similar problem by instituting a rule that whoever has a designated conch shell gets their turn to talk.
她注意到，在康涅狄格，当涨潮的时候，牡蛎最初把它们的壳打开得最宽，但在14天后，它们的节奏已经适应了伊利诺斯州的潮汐时间表。
She noted that the oysters initially opened their shells widest when it was high tide in Connecticut, but that after fourteen days their rhythms had adapted to the tide schedule in Illinois.
傲慢成了他的保护壳。
他拧下电话后壳的钉子，开始把电话线连到电话机上。
He unscrewed the back of the telephone and started connecting it to the cable.
在旧壳下有一个新壳和四个翅膀。
我们的爪子上长着坚硬的“壳”。
在破土而出后，它挣脱了它的壳。
After coming out of the ground, it breaks out of its old shell.
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