While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.
以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。
We can no longer afford to consider water a virtually free resource of which we can use as much as we like in any way we want.
我们不能再认为水是一种我们可以以任何我们想要的方式使用的几乎免费的资源。
A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.
200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。
There are free water stations throughout the venue for people to fill up their travel cups.
场地各处均设有免费供水点，方便大家结满水杯。
The slush is compacted by an unknown mechanism, and solid, bubble-free ice is formed from water high in soluble organic substances.
半融雪通过一种未知的物理过程被压实，而固态、无气泡的冰是由富含可溶性有机物的水形成的。
Some people have attributed this longevity to their consumption of a natural mineral water, which is remarkably free from impurities.
一些人认为这些人长寿应归功于他们饮用的一种明显不含杂质的天然矿泉水。
I will use the dollar to provide free drinking water for people in need.
我会用这些钱为有需要的人提供免费饮用水。
Because he could not free his arm, he stayed there for three days till his water ran out.
因为无法把胳膊挣脱出来，他在那里待了三天，直到水都用尽了。
While we've run out of space to house them, we give what we can—free water and free health care.
虽然我们没有地方安置他们，但我们给了他们力所能及的帮助——免费的水和免费的医疗。
The biological forces are controlled by reducing the free water content and by heating.
生物作用可通过降低自由水含量和加热来控制。
The couples can enjoy half-price rent, free water and electricity as well as the many blessings of friendship.
这些情侣们可以享受半价的房租，免费的水电还有来自朋友的祝福。
While we've run out of space to house them, we give what we can-free water and free health care.
虽然我们没有地方安置他们，但我们给了他们力所能及的帮助——免费的水和免费的医疗。
They also took over responsibility from the state-run Zimbabwe National water Authority for delivering disease-free water and repairing collapsed sewerage pipes.
他们还从津巴布韦国有水资源管理局接管了提供无污染水和修理坍塌的污水管道的职责。
By studying bacteria that flourish in the oxygen-free water, scientists hope, among other things, to learn how simple life-forms can lead to more complex ones.
通过研究这些生活在无氧环境下细菌，科研人员希望了解这些简单的生物是如何进化成更为复杂的生物的。
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。
Drink plain, refreshing, calorie-free water when you\\\'re thirsty—and take a multivitamin daily to make sure you get balanced levels of the essential vitamins and minerals.
当你口渴的时候，可以饮用普通的、清凉的、无卡路里的水，同时每天摄入一定量的复合维生素剂来维持身体必须维生素和矿物质的平衡。
Although most separators are two-phase in design separating the gas and liquids, they can be built three-phase to separate natural gas, liquid hydrocarbons, and free water.
尽管设计中多数分离器仅分离气液两相，但可制造出分离天然气、液态烃和游离水的三相分离器。
Here you can get some fresh, free water.
这儿可以喝到免费的新鲜的山泉水。
The free water knockout has an inlet and deflector baffle near the top on one side and a gas outlet on the top.
游离水分离器在一侧的顶部附近有一个入口和折流板，并在顶部有一个气出口。
Free-water knockouts are often used before heating an emulsion to remove the free water and to prevent unnecessarily heating too much water in the heater treater.
游离水分离器常在对乳状液加热前使用，以去除游离水并防止对加热处理器中太多的水进行不必要的加热。
The saturation of these compartments with liquid hydrocarbons and the subsequent oil-to-gas reaction causes the expulsion of free water, resulting in a gas accumulation without gas-water interface.
随着石油的进一步聚积及油气的转化，使砂岩中的自由水逐渐被驱除，因此这种异常压力气田是不存在气水界面的。
This ammonia becomes toxic to your fish so you need to provide them with a healthy clean environment and ammonia free water which has been filtered properly.
这成为有毒的氨到您的鱼，所以你需要向他们提供一个健康干净的环境和氨的游离水已筛选适当的。
There is a modern bathroom, good (hard) beds, a minibar, a closet with bathrobes and slippers to use, free water, free internet access (which I am using right now) and a cool rooftop terrace.
这是一个非常现代的洗浴室，非常好的床，一个迷你吧台，壁橱里有供客人使用的浴衣和拖鞋，免费的水，免费的网络（也就是我现在正在用的这个）还有一个酷极了的屋顶阳台。
In this method "free water" samples are taken directly in the aquatic medium.
在这种方法中，“自由水”样品是直接在水介质中取得的。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
Fluids may increase intra-erythrocyte free water and hinder the formation of sickling.
液体治疗可使红细胞内自由水增加，从而阻止镰状变形。
Because the free water jade crystal structure, thermal capacity and radiation heat faster physical properties.
由于玉石的自由水结晶构造，具有热容量大和辐射散热快的物理特性。
The unsteady free water sheet flow in the rotating bucket of a Pelton turbine is a very complex flow that cannot be accurately simulated for lack of a numerical method.
冲击式水轮机水斗内非定常自由水膜的流动非常复杂，至今还没有足够精确的数值方法来模拟这种流动。
The unsteady free water sheet flow in the rotating bucket of a Pelton turbine is a very complex flow that cannot be accurately simulated for lack of a numerical method.
冲击式水轮机水斗内非定常自由水膜的流动非常复杂，至今还没有足够精确的数值方法来模拟这种流动。
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