The shelf is about a metre long—well, 98cm, to be precise.
架子长约一米。嗯，精确地说，是98厘米。
It is about a metre in length.
它大约有一米长。
1米等于39.38英寸。
It's only a low wall—about a metre high.
那只不过是一堵矮墙—约一米高。
The bird's wings have a spread of nearly a metre.
这只鸟翼展近一米。
The snake can squirt poison from a distance of a metre.
这种蛇能把毒液喷射到一米处远。
"Joey" was a length of garden hose about half a metre long.
“乔伊”是一根长约半米的花园软管。
Indeed, Mr. Prance's new device can pick up the trace of a heartbeat from a metre away.
事实上，Prance 先生的新设备可以在一米之外捕捉到心跳的痕迹。
In 1919, for example, a humpback whale with a pair of leglike appendages over a metre long, complete with a full set of limb bones, was caught off Vancouver Island in Canada.
例如，1919年，在加拿大温哥华岛附近捕获了一条座头鲸，它有一对长达1米多的腿状附肢，还有完整的整套肢骨。
How do we know how long a metre is?
我们怎么知道有一米多长？
A nanometre is a billionth of a metre.
十亿分之一米是一纳米。
一米有多长？
Now the size of transistors is measured in billionths of a metre.
而现在的晶体管尺寸可用十亿分之一米（纳米）计算。
Most ash particles are normally 50-100 microns (millionths of a metre) across.
通常，大多数颗粒的直径在50至100微米(米的百万分之一)之间。
The trigger system also registers the location of particles to millionths of a metre.
触发系统也能以百万分之一米的精度记录粒子的位置。
The water droplets themselves can be as small as a nanometre (a billionth of a metre) across.
水滴的直径可微小至一纳米（一米的十亿分之一）。
Carbon nanotubes, which are just billionths of a metre across, seemed the perfect needle.
纳米碳管的直径仅有一米的十亿分之一长，是最理想的金属针。
The lines are between around half a metre to five metres wide but extend for hundreds of metres.
这些线条的宽度介于半米到五米之间，有的甚至有几百米。
The two substances themselves are arranged in tiny spheres less than 50 billionths of a metre across.
这两种物质分别排列在直径小于50纳米的球体中。
Water droplets in fog are very small, typically between 1 to 50 microns (one-millionth of a metre) across.
雾气中的水滴极小，通常在1 -50微米(一百万分之一米)之间。
During the earthquake, the ground level dropped by a metre, while the tsunami destroyed Onagawa’s sea wall.
地震使得地平面沉降一米，同时海啸又冲垮了女川的海堤。
But the design requires that this silicon layer be no more than five nanometres (billionths of a metre) deep.
但此设计要求硅片厚度不超过5纳米(一米的十亿分之一)。
At a distance of about 300 nanometres (a nanometre is a billionth of a metre), the seesaw began to tilt towards the ball.
其间距离大约为300纳米时(1纳米是十亿分之一米)，秋千开始移向小球。
That, in turn, bounces the light down in a concentrated beam about a metre (3ft) wide to produce heat and drive generators.
这个塔又反过来把光以3米宽的光束集中反射到地上，这样可以产生热量和发电。
In this state, each atom's quantum wave-function-its effective size-extends several billionths of a metre from its nucleus.
在这种状态下，每一个原子的量子微波函数- - -即它的有效作尺寸- - -将以原子核为中心延展到十亿分之几米(即纳米)的范围。
The clattering roar of the train muffled the thud of her fall on to the ground more than a metre below. She was knocked senseless.
呼啸而过的列车，把她甩到超过一米以下的地面，顿时失去了知觉。
Certain parts of the South American coast probably will see almost nothing but other parts might get a metre or two of wave height.
南美局部地区可能什么也看不到，但是其他地区可能会遇上一到两米高的海浪。
He will have to: a pixel on a high-resolution iPhone screen, by comparison, is about 80 microns (millionths of a metre) across.
他的确能做到：相比之下，iPhone高清屏幕的像素约80微米(一米的百万分之一)。
Less than half a metre by 2100 would be a lucky break; a metre-plus is possible; more than two is very unlikely, but possible later.
到2100年，海平面上升不到1米实属万幸；超过1米很有可能；超过两米不太现实，但在以后的日子里会成为可能。
Less than half a metre by 2100 would be a lucky break; a metre-plus is possible; more than two is very unlikely, but possible later.
到2100年，海平面上升不到1米实属万幸；超过1米很有可能；超过两米不太现实，但在以后的日子里会成为可能。
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