原因如下：1830年，一位名叫乔治·兰金（George Rankin）的当地官员用一根绳子把自己吊入洞穴，这根绳子固定在洞穴壁的一个突出石块上。
Here's why: In 1830 a local official named George Rankin lowered himself into the cave on a rope tied to a protrusion in the cave wall.
心壁的最外层也是心外膜的最内层。
The outermost layer of the wall of the heart is also the innermost layer of the visceral pericardium.
这幅画在这白壁的衬托下很显眼。
这种物质是从肠壁的细胞中分泌出来的。
This substance is secreted from cell in the intestinal walls.
动脉壁的硬化会增加心脏负荷，是导致高血压的基本原因。
Arterial stiffening places an extra load on the heart, and is a primary cause of hypertension.
他们还在肺和骨头中发现了专门属于细菌细胞壁的生物标记。
They also found biomarkers specific to the cell wall of the bacterium in the lungs and bones.
除了泵血增加，瘢痕组织也减少了，而且心脏壁的厚度也增加了。
As well as pumping more blood, the scar tissue was reduced and the walls of the heart became thicker.
硅藻已经通过胞外分泌二氧化硅，这是细胞直接把物质分泌出细胞壁的一个生物过程。
Diatoms already secrete silica by exocytosis-a biological process by which cells direct secreted material outside the cell walls.
免疫系统会把结核杆菌“屏蔽”起来，结核杆菌在厚厚的腊质胞壁的保护下可潜伏多年。
The immune system "walls off" the TB bacilli which, protected by a thick waxy coat, can lie dormant for years.
布拉德·伯德拍摄了一个阿汤哥只身在164层的世界第一高楼迪拜塔外所上演的飞檐走壁的场景。
Director Brad Bird shot an action scene involving Tom Cruise swinging from the tallest building in the world — the 164-story Burj Khalifa in Dubai.
该材料是一种由碳纳米管组成的薄涂层——这些碳纳米管是中空多壁的，比一根头发丝还要细一万倍。
The material is a thin coating of carbon nanotubes - hollow and multi-walled tubes about 10, 000 times thinner than a strand of human hair.
有一种叫做沟槽支撑的东西——一种用于挡住沟壁的金属箱体——挖土超过五英尺约1.5米时，用它来防止塌方。
There's something called a trench box - a metal case that holds back the sides of the walls - to be used to stop them caving in when you dig deeper than 5ft.
倒啤酒的时候也会起泡，不过即使啤酒已经倒好了，溶解在酒里的气体，主要是二氧化碳，就会跑出来并在玻璃杯壁的成核处变成小气泡。
The act of pouring will generate foam in beer, but even once the beer is poured, dissolved gas, chiefly carbon dioxide, will break out into small bubbles at nucleation sites along the glass wall.
心包炎是一种累及壁层和内脏层的炎症过程。
Pericarditis is an inflammatory process involving the parietal and visceral layers.
壁细胞产生胃酸，以及一种叫做内在因子的物质，使得维生素B12能够在肠道里得到吸收。
Parietal cells generate stomach acid as well as a substance called intrinsic factor, which enables a vitamin called B12 to be absorbed further along in the gut.
风眼四周环绕着“眼壁”，即一圈剧烈雷暴区域，通常是整个热带气旋中天气最恶劣的区域。
It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather of a cyclone occurs.
主动脉炎是主动脉壁发炎的病理学术语。
Aortitis is the pathological term for inflammation of the aortic wall.
弯月面容器中之静止液体的弯曲上表面，如果液体浸润了容器壁，那么弯曲面呈凹状。
The curved upper surface of a nonturbulent liquid in a container that is concave if the liquid wets the container walls.
一种是传统方式——直接往杯底快速倒下去，另一种像倒啤酒一样——沿着倾斜的杯壁缓缓倒入；然后检测了两种方式二氧化碳的损失量。
The traditional way, straight down, splashing off the bottom-and the beer way, onto the side of a tilted glass. Then they measured the CO2 lost during the pour.
去年11月消失，他的医生仍称其患有心包炎，这是一种心包膜脏层和壁层的炎性病变。
When he disappeared in November, his doctor said he was also suffering from pericarditis, an inflammation of the heart’s lining.
虽然意大利壁蜥是意大利的本土物种，但在几个世纪的时间里，它从意大利渐渐被引入到了法国、英格兰南部地区和德国。
Italian wall lizard the Italian wall lizard (Podarcis sicula) is native to Italy, but it has been introduced over the centuries to France, southern England and Germany.
她不喜欢做壁花，所以她走向一位独自坐着的年轻人，并邀他共舞。
She didn't like being a wallflower so she walked up to a young man who was also sitting alone and invited him to dance.
他每天挥洒18个小时，不停地用线条和色彩美化居室的四壁、天花板甚至地面。
He spends up to 18 hours every day decorating his walls, ceilings, and even the floor of his home.
墙纸上的玫瑰图案已经泛黄，四壁皆然，好似满山秋色。
The roses on the wallpaper had yellowed, and each wall held an autumnal mountain landscape.
在回音壁前，游客们不再献祭，而是大声喊叫，希望能听见自己的回声。
At Echo Wall, visitors now offer cries instead of sacrifices, hoping to hear their voices bounce back to them.
在回音壁前，游客们不再献祭，而是大声喊叫，希望能听见自己的回声。
At Echo Wall, visitors now offer cries instead of sacrifices, hoping to hear their voices bounce back to them.
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