1·Iron reacts with water and air to produce rust.
铁和水及空气发生反应产生铁锈。
—— 《牛津词典》
2·Lead weights and air cylinders encumbered the divers as they walked to the shore.
当潜水员们走向海岸时，铅坠和氧气缸让他们步履维艰。
—— 《柯林斯英汉双解大词典》
3·But they can also pollute water and air.
但他们也能污染水和空气。
4·Water has weight, and air also has weight.
水有重量，空气也有重量。
5·That means keeping the land, water and air clean.
这意味着要保持土地、水和空气的清洁。
6·There is more to the rivalry between rail and air than the experience in transit.
铁路和航空之间的竞争不仅仅是运输方面的经验。
7·It is the language of transport: most airline pilots and air traffic controllers use it.
它是交通工具的语言：大多数飞行员和空中交通管制员都使用它。
8·Some biologists argue that ocean and air currents are responsible for the transport of plant seeds to Hawaii.
一些生物学家称，海洋洋流和空气气流是植物种子传播到夏威夷的原因。
9·During this time when fewer natural foods are available and air temperatures are lower, extra feeding can keep a bird warm and well.
在这段时间里，自然中鸟类的食物越来越少，空气温度也越来越低，额外的喂养可以让鸟类保持温暖和健康。
10·On land, the supportive buoyancy of water is missing, the plant is no longer bathed in a nutrient solution, and air tends to dry things out.
在陆地上，水的浮力支持消失了，植物不再浸泡在营养液中，空气会使植物变干。