The eruption has left a thin veil of dust in the upper atmosphere.
这次火山喷发在上层大气中留下了一个薄薄的尘土层。
The first find was a humerus, or upper arm bone, of a giant ground sloth.
第一个发现是巨型树懒的肱骨，或上臂骨。
Latitude and longitude Numbers have a reasonable upper and lower bound for North America.
对于北美而言，经度和纬度数字有一个合理的上下限。
The ozone layer in Earth's upper atmosphere has stopped thinning, concludes a new report.
根据最新一项研究报告表明，地球上空的大气臭氧层开始停止变薄。
So believe it or not, the plane could probably survive a trip through Earth’s upper atmosphere.
所以不管你信不信，这架纸飞机极有可能成功穿过地球大气层并安全着陆。
A symbol appears in the left upper quadrant of the screen.
一个符号出现在屏幕中扇形的左上方。
There is a good restaurant on the upper floor.
楼上有一家很好的餐馆。
The appearance of a word in upper case between lower caps is usually ugly.
在小写字母之间出现大写单词通常很难看。
After exploring the upper world for some time, they saw a lake.
在上面的世界搜寻了一段时间后，他们发现了一汪湖泊。
Engage your core muscles, then curl your upper body towards a sitting position.
调动人体核心部位的肌肉力量向上抬体，成坐姿。
What you see: you have short legs and a longer upper body.
现象：你的腿比较短，上身比较长。
A blue square in the upper corner contains 50 white stars.
在左上角的蓝色方块里有50颗星星。
The diagonal line across the upper right corner of the image is a road.
图中右上角的斜线则是一条公路。
I'd like a room on the upper level.
我想要楼上的房间。
I could get a really big upper bound, this thing grows exponentially.
那么我可以得出一个相当大的上界，我们可以给一个指数级增长的上限。
A measure of that will come in July, with upper-house elections.
明年7月的上议院选举将会衡量这一点。
The result was a reading six times the upper limit of normal.
结果是正常数值上限的6倍。
ONLY use upper-case words when trying to make a point (such as I just did).
它仅用于强调（注：原文是“ONLYuseupper-casewordswhentrying tomakeapoint (suchasIjust did)”，作者巧妙地演示了大写字母的用法，可惜中文无法体现出来）。
Here you have a megbus, on the upper deck carries about 2000 people.
这儿会有一辆超级公交，在公交上层会承载2000人。
"Save us", read a banner hung from one of the upper floor Windows.
“救救我们”，较高楼层的窗户上挂出这样的横幅。
Upper classes are a nation's past; the middle class is its future.
上层阶级是一个民族的过去；中产阶级是它的未来。
Grab a tree trunk or monkey bar at the local park to build upper body strength.
在附近的公园找一个树干或单杠来锻炼你上半身的力量。
Usually this is upper case, lower case, special character and a number.
通常是大写字母、小写字母、特殊字符和数字。
In 1992, a loop extends northward from the river (image upper left).
1992年时，有个圈从河流向北延伸(图片左上方)。
The suspect was born in a tiny northwestern village to an upper-middle class family.
嫌疑人出生在西北部一个小村庄的中上层阶级家庭中。
Imagine this scenario: you're a busy, upper-level manager, and you supervise several junior managers.
设想一下这样的情景：您是一位忙碌的高层经理，您管理着好几位基层经理。
You catch a cold when a virus infects your upper respiratory system.
当上呼吸系统感染了病毒，人就会得感冒。
Snape's upper lip curled a little.
斯内普的上唇微微翘了起来。
Snape's upper lip curled a little.
斯内普的上唇微微翘了起来。
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