1·The coastal hypothesis suggests an economy based on marine mammal hunting, saltwater fishing gathering, and the use of watercraft.
沿海假说提出了一种以捕猎海洋哺乳动物、收集捕捞咸水鱼和使用船只为基础的经济模式。
2·The technologies for this are already widely used in the oil and chemical industries, and saltwater aquifers and depleted oilfields offer plenty of promising storage space.
这一技术现已广泛地应用于石油和化工领域。咸水含水层和已经采尽的油田则为其提供了许多理想的储存场所。
3·"It's able to get up and gallop, unlike the saltwater crocodiles that live nearby, " he says.
他说，“它能够四肢站立并且奔跑，但不像在附近生活的咸水鳄。”
4·Why saltwater fish are unhappy in fresh water.
为什么咸水鱼在淡水中过的不舒服。
5·There are hundreds of different species of eel, all of which can be roughly divided into two groups according to their habitat: saltwater and freshwater.
鳗鱼的种类有数百种，根据其栖息地大致可以分为两类：咸水鳗鱼和淡水鳗鱼。