By looking up the elements in the rings for a given year, scientists can tell what elements were in the air that year.
通过查找某一年年轮中的元素，科学家可以知道那一年空气中的元素是什么。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
In the example above, there are small gaps in the rings.
在上面的示例中，环中存在小的间隙。
The poles are to remain in the rings of this ark; they are not to be removed.
这贡要常在柜的环内，不可抽出来。
To increase the contact area and permit larger loads to be carried, the balls run in curvilinear grooves in the rings.
为了增加接触面积并承受较大载荷，滚珠在内外环的曲线槽内滚动。
So, by measuring the ratio of the two isotopes in the rings of trees, and matching the result to the age of the ring, a history of hurricanes spanning the life of the tree can be reconstructed.
因此，通过测量树的不同年轮(ring)中两种氧同位素的比例，并将结果比对年轮所显示的树龄，就可再现树木一生中所经历的所有飓风。
I found that there were these rings in every specimen except for the smallest.
我发现这些环在所有的标本中都存在，最小的除外。
He has seen evidence of these warm dusty rings in infrared radiation picked up by the Spitzer space telescope.
他已经看到了斯皮策太空望远镜在红外波段捕捉到的这类温热尘环的证据。
I just read in the newspaper that Lord of the Rings is this year's greatest hit.
我刚在报纸上看到《指环王》是今年最卖座的电影。
It's 5:00 in the morning when the alarm rings in my ears.
早上5点，闹钟响了。
The tree people in the Lord of the Rings—the Ents—can get around by walking.
《指环王》里的树形人，即树精，可以四处走动。
They're going to perform underneath the Olympic rings in St. Pancras station on.
他们会在圣潘克拉斯火车站的奥运五环下面表演。
For more than 300 years, we thought Saturn was the only body in the solar system with rings.
在300多年的时间里，我们一直认为土星是太阳系唯一拥有光环的天体。
For example, there have been six boys named Gandalf after the character in the Lord of the Rings novels and films.
例如，有六个男孩以《指环王》小说和电影中的角色被命名为甘道夫。
Bone growth in reptiles is periodic in nature, producing a series of concentric rings in the bone, not unlike the growth rings of a tree.
爬行动物的骨骼生长在本质上是周期性的，在骨头上产生一系列的同心圆，就像树木的年轮一样。
This variation shows up in the trees growth rings.
这种变化表现在树木的年轮中。
In the 1980's, however, Bakker's contention began to be questioned, as a number of scientists found growth rings in the bones of various dinosaurs that are much like those in modern reptiles.
然而，到了20世纪80年代，巴克的论点开始受到质疑，因为许多科学家在各种恐龙的骨骼中发现了与现代爬行动物相似的生长环。
Your paper must be handed in as soon as the bell rings.
铃一响，你的试卷就必须交上来。
In fulfilling the production quotas, John made rings round all his fellow workers.
约翰完成生产定额大大超过他的同事们。
The precious gold rings and necklets were encased in box to preserve them.
珍贵的金戒指和项链珍藏在盒子里。
They then used local snowfall records to find the relationship between precipitation and the proportion of heavy oxygen in tree rings for the years covered by the weather records.
他们然后使用当地的降雪记录来寻找有气象记录的年代里降雪量和树木年轮中氧元素同位素的比率之间的关系。
The cell phone in his pocket rings.
他口袋中的手机铃声响起。
So they gave Jacob all the foreign gods they had and the rings in their ears, and Jacob buried them under the oak at Shechem.
他们就把外邦人的神像和他们耳朵上的环子交给雅各，雅各都藏在示剑那里的橡树底下。
For the Olympics, he decided to make the rings in five colors: red, blue, yellow, black and green, just like the Olympic rings.
为了迎接奥运，他还决定把这些圈做成五种颜色：红、蓝、黄、黑、绿，就像奥运五环一样。
You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.
在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。
And they made two ouches of gold, and two gold rings; and put the two rings in the two ends of the breastplate.
又作两个金槽和两个金环，安在胸牌的两头。
Jack and Teri are in the hospital hallway when his phone rings.
杰克和泰瑞在医院的走廊等候，这时，他的电话铃声响起。
In 1920 the rings were revived to represent the five continents with North and South America being represented by one ring.
1920年，这些环重新被用来代表包括五个大陆，南北美洲用其中一个环表示。
In 1920 the rings were revived to represent the five continents with North and South America being represented by one ring.
1920年，这些环重新被用来代表包括五个大陆，南北美洲用其中一个环表示。
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