单词:increasing production of fresh and salt water fish
单词:increasing production of fresh and salt water fish 相关文章
This is the VOA Special English Development Report. There are different ways to store fish. Two ways to keep fish for future use are canning and freezing. Two other methods are drying and smoking. Today we have the first of two reports describing, s
This is the VOA Special English Development Report. Canning and freezing are not the only ways to keep fish for future use. Today we have the first of two reports describing, step by step, how to prepare dried or smoked fish. Begin with fish that ar
Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,
This is the VOA Special English Development Report. There are different ways to store fish. Two ways to keep fish for future use are canning and freezing. Two other methods are drying and smoking. Today we have the first of two reports describing, st
Every day the sun's rays change thousands of tons of liquid water into water-vapour; 每天, 太阳光都能够将数千吨的液态水转化为水蒸气; and this water-vapour mingles with the air, and is carried along by the wind. 随后, 水蒸气
Mammals developed from land-based reptiles two hundred million years ago, and most of the mammals we see today are still land based. A notable exception are the cetaceans, which we all know as dolphins and whales. How did they move from land to sea?
But as the landscape alters, therere new dangers. Everythings just changing now. Look, the weather is getting worse, the wind picking up. But also, this river is really widening, which means that its prime crocodile territory. There are two types of
Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其
Mike was ready for bed. It was 11 o'clock. He had to get up early the next day. The next day he was going fishing. Fish wake up early. They look for food early in the day. They look for food late in the day. The best time to fish is early or late in
Section B Trends for the 21st Century What problems will our world encounter in the next 1,000 years? Social scientists and economists, farming experts and environmentalists pose this question and exa
DEVELOPMENT REPORT - Do-It-Yourself: Preparing Fish for Drying or Smoking By Bob Bowen Broadcast: Monday, November 07, 2005 I'm Steve Ember with the VOA Special English Development Report. Most of the
Water The world is not only hungry,but also is short of the water.This may sound strange for 70% of the surface of the use is covered by water.But 97% of this is sea water or soft water.Man can only use the other 3% fresh water that country rivers,la
Natures Nursery: Estuaries As the oceans are the source of life on earth, the estuaries are our planets nurseries. An estuary is the body of water where a river meets the ocean. Salt water from the ocean and fresh water from the river mix together in
Dutch Experiment Grows Vegetables in Sea Water 荷兰人试验在海水中种植蔬菜 Climate change has caused a rise in sea levels. This has increased the amount of salt in fresh water used on coastal farms. As a result farmers are increasingly un
Dutch Experiment Shows Farming With Salty Water Possible 荷兰实验表明盐水种植农作物成为可能 One of the many adverse effects of global climate change is the rise of sea levels, which scientists say can increase the salinity level of f
Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,
Mike was ready for bed. It was 11 oclock. He had to get up early the next day. The next day he was going fishing. Fish wake up early. They look for food early in the day. They look for food late in the day. The best time to fish is early or late in t
As efforts to try to cap the oil well that has poured millions of gallons of crude into the Gulf of Mexico faltered Saturday, we took a tour of the vast ecosystem along Louisiana coast for a first hand look at what is at stake. The Louisiana coastlin
Lesson 25 The Herring 第25课 鲱鱼 Herrings are a kind of fish that live in the sea. They like salt water. Indeed if they are put into fresh water, they soon die. Now the gold-fish which we read about the other day likes fresh water, and it would
The herring lays its eggs on the rocks at the bottom of the sea. The eggs are then called spawn. In a few weeks a little herring comes out of each egg. Many other fishes eat the spawn, or the sea would soon be full ofherrings. 鲱鱼在海底的礁石上