The muddy water needs to be clarified before it is used.
这水太浑了，澄清之后才能用。
Water needs to be injected into wells at Rumaila to create enough pressure to extract the oil.
需要把水注入鲁迈拉的油井以产生足够的压力使石油被压出来。
The level of electrolyte needs to be checked periodically, and distilled water needs to be added when it is low.
应定期检查电解液的液位，如果液位太低，需要添加蒸馏水。
To initiate the release nutrients, a certain amount of water needs to permeate into the film-coated controlled release fertilizer, HCRF-S70 needs more water to permeate than HCRF-E50.
为了养分的开始释放，需要一定量的水分透入包膜肥料内，HCRF - S70需要透入的水比HCRF - E50的多。
The interesting thing is that on Earth at least it needs highly acidic water to form.
有趣的是，至少在地球上它需要强酸性的水来形成。
With 97% of the world's water too salty to be drunk or used in agriculture, the worldwide supply of water needs careful management, especially in agriculture.
由于世界上97%的水含盐量过高，不能饮用或用于农业，全世界的水供应需要谨慎管理，特别是在农业方面。
Your donations help make children with special needs able to have alternative therapies such as animal-assisted therapy, art and music therapy, massage therapy and water therapy.
您的捐款可以帮助有特殊需要的儿童获得其他疗法，如动物辅助疗法、艺术和音乐疗法、按摩疗法和水疗等。
The shower is easy to install – it needs only to be connected up to the hot and cold water supply.
淋浴器很容易安装–只需接上冷热水即可。
Unfortunately, our homes are very attractive to ants, because it provides everything the colony needs to survive, such as food, water, and shelter.
不幸的是，我们家对蚂蚁很有吸引力，因为它提供了蚁群生存所需的一切，如食物、水和遮蔽之处。
The vet tells Clara that the turtle needs plants to eat, water to drink and a place to live in.
兽医告诉克拉拉，这只海龟需要进食、喝水和一个住的地方。
Today, rivers are controlled for many reasons, primarily to maintain reliable water supplies for daily, agricultural and industrial needs, for power generation, for navigation, and to prevent flooding.
今天，河流控制的原因有很多，主要是为了维持可靠的水资源供应，以满足日常生活、农业和工业、发电、航行的用水需要，并起到防洪作用。
This camp believes that the body needs roughly two liters of water a day to replace what it loses and that other beverages, particularly caffeinated ones, don't count.
这个阵营认为，人体每天需要大约两升水来补充其流失的水份，其它饮料，尤其是咖啡因饮料，都不算在内。
It would be like channeling water from the Mississippi River to meet the drinking needs of Boston, New York and Washington.
这就好比用管道把密西西比河的水送到波士顿，纽约，和华盛顿，满足那里的饮用水的需要。
Whether you're working out or working a desk job, your body needs water to work well and keep cool.
不论是锻炼身体还是在办公室工作，身体都需要足够的水分来保持工作效率，使身体舒适。
But often they find that cities aren't prepared to provide basic needs like clean water and fuel for cooking.
但是他们往往发现，城市并没有做好准备来满足他们的基本需求，比如洁净的饮水和烹煮食物的燃料。
The first is to meet the immediate needs of a person, whether that's water, food or comfort.
第一步是要满足人的直接需求，无论是水、食物还是安慰。
Water needs prices in order to signal scarcity and inform demand.
水资源需要价格以便于显示它的稀有和人们对它的需求。
Key to the product's versatility is the fact it can be sold in a solution of either alcohol or water, depending on what surface needs to be coated.
这种产品的通用性关键是，事实上可以根据需要涂抹的表面类型，以酒精或水溶液的形式销售这种产品。
Because it needs clean water to survive, the new bug is a crucial "index species" that could be used to gauge a river's health, NIBR's Min-Ha said.
因为它必须在干净的水源地生活，因此它可以被看作是检验水质标准的生物。
A typhoon needs water temperatures of between about 77 to around 82 degrees to form and gather steam.
台风的形成，需要温度在77 - 82华氏度之间的海水。
Every year, as countries around the world struggle to meet the water needs of their citizens, 6.2 billion gallons of Sitka’s reserves go unused.
每年，正当世界上众多国家为满足市民的饮水需要而煞费苦心的时候，西特卡却有62亿加仑的蓄水未得到利用。
Moreover, each of us needs to consume at least 5 liters of water per day, and everything we eat and drink contains water.
此外，我们每人每天至少消耗5升的水，我们所吃所饮的一切东西也都包含着水。
Thames Water not only needs to know what is going on in its network, but to be able to act quickly on the information.
泰晤士水务公司不仅需要随时掌握供水管线的运行状况，也需要根据这些信息迅速采取行动的能力。
But, we fear that the situation could soon deteriorate if medical, water and sanitation facilities are unable to cope with rapidly increasing needs.
但是，我们担心，如果医疗、水和卫生设施无法应对迅速增长的需求的话，局势可能不久会恶化。
But some are also dealing with infrastructure that has deteriorated over the years, partly because not enough water has flowed through it, or that does not deliver water where it needs to go.
然而，也有一些国家正在解决多年来每况日下的基础设施，部分原因是它们的运水能力不足，或不能向需要的地方送水。
More than 95% of water is used to grow food, for other household needs and for industry, he added.
超过95%的淡水被用来生产食品，用于其它家庭需求和工业需求，他补充道。
More than 95% of water is used to grow food, for other household needs and for industry, he added.
超过95%的淡水被用来生产食品，用于其它家庭需求和工业需求，他补充道。
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