随着时间的推移,蛋壳中的蛋白质分解成其构成成分氨基酸。
Over time, the protein in the eggshell breaks down into its constituent amino acids.
这种海绵状组织是形成蛋壳的钙质来源。
This spongy tissue serves as a source of calcium for eggshell formation.
巢里的那些恐龙可能是成年雄性，不会需要用来制造蛋壳的钙。
Those dinosaurs on the nests were probably adult males who wouldn't have needed calcium for making eggshells.
DDT 会阻止鹰蛋壳变厚。
他用蛋壳碎片来展示中国南方的和平之美。
He applies eggshell chips to demonstrate the peaceful beauty of Southern China.
蛋壳变得非常薄，以至于在婴儿孵化之前就被打碎了。
The shells became so thin that they shattered before the babies hatched.
人造骨和蛋壳是很好的建筑材料，因为它们由蛋白质和矿物质构成。
Artificial bone and egg shells make good building materials due to their makeup of proteins and minerals.
细胞核DNA成功地从一只1.3万年前的鸸鹋蛋壳和一只巨大的恐鸟蛋壳中被提取出来了。
Nuclear DNA was successfully extracted from a 13,000-year-old emu eggshell and a giant moa eggshel.
用茶匙轻轻敲打蛋壳，使蛋壳破裂。
Gently tap the egg shells with the back of a teaspoon and crack the shells.
劳伦斯说：“此时我们的问题变成，怎样在蛋壳的任何位置和任何方向沿着裂缝自动按压鸡蛋。”
“The question for us thenbecame how to automatically press along a crack that can be located anywhere onan egg shell and in any orientation,” says Lawrence.
因为这种病毒是在鸡蛋内部生长，所以不接触或者清洗蛋壳并不能阻止沙门氏菌的扩散。
The bacteria grows inside the egg itself, so avoiding touching or washing the shell won't help stop the spread.
将食物垃圾制作成堆肥：与其将做饭后产生的蔬菜皮，蛋壳还有其他的食物垃圾扔掉，不如考虑将它们制作成堆肥。
Compost food scraps: Instead of throwing out the vegetable peels, eggshells, and other food scraps from making your meal, consider composting them.
修剪草坪的草屑、菜叶果皮和蛋壳可以堆肥。
Grass clippings, vegetable peelings, and eggshells can be composted.
这种名叫OC-17的蛋白质能够加速蛋壳的形成。
The protein, called ovocledidin-17 (OC-17), speeds up the development of the shell.
这些刻于60,000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
COULD these lines etched into 60,000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
这些刻于60 000年前鸵鸟蛋壳上的字迹，能否成为人类使用版画交流的最早标记呢？
COULD these lines etched into 60, 000-year-old ostrich eggshells (see photo) be the earliest signs of humans using graphic art to communicate?
空蛋壳被染上色彩，到了复活节那一周，就被挂在树上。
The hollow eggs were dyed and hung from trees during the Easter Week.
研究人员发现，蛋壳只有在一种蛋白质的催化下才能形成，而这种物质只存在于鸡的卵巢内。
Researchers found that the formation of egg shells relies on a protein found only in a chicken’s ovaries, according to The Sun of London.
一小股烟从爆发后的圣海伦斯火山蛋壳型的火山口倾泻而出。
A wisp of smoke escapes from Mount St. Helens' dramatic eggshell-shaped crater after an eruption.
研究人员发现，蛋壳只有在一种蛋白质的催化下才能形成，而这种物质只存在于鸡的卵巢内。
Researchers found that the formation of egg shells relies on a protein found only in a chicken's ovaries, according to The Sun of London.
她看了看小手里的鸡蛋，开始仔细地检查蛋壳——只有她自己知道为什么。
She looked at the egg in her small hand, and for reasons known only to her, she began to carefully inspect the shell.
像恐鸟、雷鸟和象鸟这样已经灭绝的鸟类都留下了它们的蛋壳化石。
Big extinct birds such as the giant moa, thunderbirds and elephant birds all left eggshells behind them.
研究者还补充到，“我们在研究中第一次发现，蛋壳化石传递的DNA信息里有禽流感的痕迹。”
The researchers added: 'This study provides the first evidence that ancient DNA is preserved in fossil avian eggshell.
在激动人心的那天到来之前，老师告诉我们周五带一个鸡蛋壳到学校。
Before the big day, my teacher told us to come to class on Friday with a hollowed out egg.
其它研究发现，SCCP能造成绿头鸭蛋壳轻微变薄，并能损害水獭的肝脏。
Other studies have found that SCCPs can cause slight egg shell thinning in mallard ducks and can damage the livers of otters.
无论是中号的鸡蛋还是大号或者特大号的鸡蛋，蛋壳的容量都是相同的。
The volume of egg shell is the same on a medium as on a large or very large egg.
金色树叶包裹的蛋壳破成两半，每一半里面躺着写有文字的小纸条。
Gorgeously crafted, it came with a gold-leafed eggshell broken in two, each half filled with little strips of paper with phrases on them.
大家已经知道这个蛋白对蛋壳碳酸钙的形成有帮助。
It has been known to us that the protein is conducive to the construction of the eggshell Calcium carbonate.
最流行的方法是小心的刺穿蛋壳收集蛋清滴入一杯白水中。
The most popular method is to carefully Pierce the shell and catch drops of the egg white in a glass of water.
但当我们讲到径向概率分布时，我们想做的是考虑，在某一个壳层里，找到电子的概率，就把它想成是蛋壳？
But still, when we're talking about the radial probability distribution, what we actually want to think about is what's the probability of finding the electron in that shell?
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