我们打算帮北京的学校与美国积极参与水保护项目的伙伴学校建立联系。
We intend to link Beijing schools with partner schools in the US that are actively involved in water protection and conservation projects.
地球上早期的生命形式被限制在海洋里，因为水是帮助它们抵御紫外线辐射的唯一有效保护。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
正是这点使得灌溉的统筹，特别是建造运河以疏导和保护水，变得至关重要。
It was this that made the organization of irrigation, particularly the building of canals to channel and preserve the water, essential.
当水到达合适的水位时，幼鸟就会被一条腐蚀性的沟渠保护，免受捕食者的伤害。
When the water hits the right level, the baby birds are kept safe from predators by a corrosive ditch.
它不仅让我们思考水的重要性，也呼吁我们节约和保护水。
It not only makes us think about the importance of water, but also calls on us to save and protect water.
他想保护冰川的水不受污染。
麋鹿的栖息地通常以水为中心，而过去对其构成威胁的捕鱼设备在自然保护区内已不复存在。
Milu habitats (栖息地) are usually centered around water, and fishing equipment that used to be a threat to the animals is no longer seen in nature reserves.
水飞蓟提取物有明显的保护和稳定肝细胞膜的作用。
Silybum marianum has an obvious function to protect and sustain liver cell membrane.
水飞蓟提取物有明显的保护和稳定肝细胞膜的作用，用于治疗多种疾病。
Silybum marianum has an obvious function to protect and sustain liver cell membrane, which can be used for many diseases.
呼吁提供着一份完整的项目清单，包括水、健康、食品、住所、农业、保护和教育，捐助者可以从中选择。
Appeals present a comprehensive list of projects in water, health, food, shelter, agriculture, protection and education that donors can select from.
经济学家们则为她判定环境保护署在施行《清洁水法案》中特定条款时不得作利弊之权衡而叹息。
Economists sigh that she ordered the Environmental Protection Agency not to weigh costs against benefits in enforcing certain provisions of the Clean Water Act.
一些是物理补救，防洪需要堤防、大坝或受保护的洪泛区或随水涨落的房屋。
Some involve physical remedies. Flood protection demands embankments, or DAMS, or protected flood plains, or houses that rise and fall with the waters.
安全的食物和水为防范甲肝病毒和戊肝病毒提供最佳保护。
Safe food and water provide the best protections against HAV and HEV.
在保护新奥尔良的堤坝损失了53个之后，这座历史名城的80%被水覆盖，地势低洼的城市被淹没。
About 80% of historic New Orleans was covered with water after the levees designed to protect it suffered 53 individual failures, and the low-lying city was inundated.
所有美国人的生活都更好了，因为空气和水更纯净，更多的自然遗产得到保护；而且，我们给世界人民带来了更多对和平、自由、安全和繁荣的期望。
And we brought more hope for peace, freedom, security, and prosperity to people all over the world.
随着全球粮食产量的提高，“我们必须保护好水和空气质量。
As the world steps up production, "We have to protect the water and air quality.
它们的发电机，因为与电有关，必须保护起来避免与包围着涡轮机的水接触。
And their generators, being electrical machines, must be protected from the water that surrounds the rest of the turbine.
如果保护物种和栖息地是目的的话，和外界提供的贷款相比，陈水华能够更好地投入工作，业务会更好。
If protecting habitats and species is the aim, Mr Chen and his kind are better at the job than outsiders give them credit for.
它们涉及的领域从环境保护、全球变暖到水服务的公平定价以及灌溉、工业和家庭用水的公平分配。
They range from protection of the environment and global warming to fair pricing of water services and equitable distribution of water for irrigation, industry and household use.
荷兰人还实施了另一项颇受争议的工程，即打开一些内陆水坝的缺口，把水引回内陆的一些低田(荷兰围海而得的开拓地，受内陆水坝的保护)。
The Dutch are also implementing a somewhat controversial plan to breach a few inland dikes and allow water back into some of the polders - land reclaimed from the sea and protected by dikes.
这些装满水的管子的重量足以固定住这些保护层，漫出堤坝的河水可以在粗管间溢过。
The weight of these tubes holds the protective layer in place, while the gaps between the tubes permit the overspill to escape.
环境保护主义者关于人口问题的归责长期唇枪舌剑争论不休：人口总量即与之对应的供给人口需要的水、食物、矿产和清洁的空气总量等等。
Environmentalists are arguing in circles about who or what is to blame: the total number of people; or the amount of water, food, mineral ores or clean air each demands.
结果该地区不得不采取极端的保护措施，包括强硬的水配给政策和草坪浇水禁令。
As a consequence, the area has implemented extreme conservation measures, including aggressive water-rationing policies and lawn-watering bans.
成为一个关心我们环境中的水的人吧，参加到正为保护水、治理水而行动起来的人群中来吧。
Become someone who CARES about the water in our environment; join with other people and \ group \ s who are acting to preserve and restore water.
为了降低能量，这些表面活性剂通过吸附在气液分界面上从而把它们的尾巴保护起来不碰到水，如果在溶液里的话，则凝聚成胶束。
To minimize energy, the surfactants shield their tails from water by adsorbing at the air-water interfaces or, when in solution, aggregating into micelles.
为了降低能量，这些表面活性剂通过吸附在气液分界面上从而把它们的尾巴保护起来不碰到水，如果在溶液里的话，则凝聚成胶束。
To minimize energy, the surfactants shield their tails from water by adsorbing at the air-water interfaces or, when in solution, aggregating into micelles.
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