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。
Using a coated aluminium mesh, he conservatively estimates that it is possible to collect about one litre of water daily from a mesh of one square metre.
据他保守估计，使用一平方米的涂层铝网，每天大约能集一升水。
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）。
Reverse osmosis is the most favoured method, though, and in Israel and Algeria contracts have been signed for salt-free water at about 55 cents a cubic metre.
目前普遍认为反渗透技术是最好的办法，以色列签了合约以大约每立方米55美分的价格购买脱盐水，和他一样的国家还有阿尔及利亚。
Instruments aboard the spacecraft suggest that a cubic metre of soil on the lunar surface could hold around a litre of water.
航天器上的仪器显示，月球表面每立方米的土壤含水量可达约一公升。
So the light will be reflected in a totally different way than later in the year after the melting glaciers have raised the water level over a metre.
因此光的照射与冰融化以后是完全不同的，冰融化后湖面将上升一米多。
Witnesses described the incident as "like a scene from Jaws" as Hannah Mighall was dragged repeatedly under the water by the five-metre predator.
据目击者描述当时的情况简直和电影《大白鲨》中的一样，一个五米长的大鲨鱼在水中反复拖拽HannahMighall。
The building's location next to the water also prompted the project team to incorporate several ponds surrounding the main structure, including one with a five-square-metre stage set into it.
建筑地址靠近水，也促使项目团队区将许多水池围绕主要建筑周围布置，包括上部的一个四平方米的平台。
The clean White House is surrounded by newly planted trees and a calming pool of water, two-metre-high walls surrounding the site on every side - blocking views out as well as in.
洁净的白色墙体被新种植的树木和一个平静的水池包围着，两米高的墙从各个方向围绕着整个场地，挡住了外部的景色，同时也围住了里面的景色。
A veil of water of 40 metre length stretches above the current below the Rossignolet waterfall.
40米长的水帘横亘在森林瀑布的小溪流上方。
The porosity of sandstone can be 20% or more, which means that a cubic metre of rock say the size of a large fridge, can absorb 200 or more litres of water.
砂岩的孔隙率可能是20%或者更多，这就好比在一个像冰箱大小的一立方米岩石中，能够吸收200或者更多公升的水。
He says a 4 metre square device could extract an average 7500 litres of water a day.
他说，一个4平方米的装置可以提取物的平均7500公升的水天。
A 6-metre-long crocodile can lie completely invisible in less than 50 cm of muddy water.
一只六米的巨型大鳄鱼可以完全潜伏在不超过半米深的河水里不露痕迹。
A 6-metre-long crocodile can lie completely invisible in less than 50 cm of muddy water.
一只六米的巨型大鳄鱼可以完全潜伏在不超过半米深的河水里不露痕迹。
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