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最近，在伦敦的水族馆里多了3位“新宠”，那就是历经3年，由科研人员研究开发出来的“机器鱼”。

Swimming around the London Aquarium is a rather unusual kind of fish―it’s robotic.

“Visitors are usually very impressed and quite interested in seeing what is in effect a robotic fish that swims just like a real fish, with the same flowing(移动的) movements,” says Michael Michaels, general manager of the London Aquarium in Great Britain.

Now there are three “robofish” swimming around at the Aquarium. The fish can be programmed to swim at different speeds and depths. Their batteries last about four hours before they need recharging(再充电).

“We tell children as well as adults that the purpose of having the robotic fish in the Aquarium is for education and entertainment.” said Michael. “It’s a great way for people to see robotics(机器人科学) in action.”(这是个很好的办法让人们看到实实在在的机器人科学)

The robotic fish is about 21 inches long. It is made with materials, including sequins(小金属片), to look like fish scales(鱼鳞). The insides of the fish are made with molded plastics that are watertight.(防水的) This is where the electronics and motors are found.

Over the past 10 years, scientists have been developing robotic fish with movements that are similar to those of real fish. The robotic fish at the London Aquarium has been in development for the past three years. It marks the first time that a robotic fish is able to operate (掌控)on its own (without outside controls). Researchers have high hopes for the future of the robotic fish.

“We hope that the robotic fish will be able to swim in real oceans and rivers and perform real-world tasks,” said Paul Cardy of Essex University.

By Gail Hennessey

Tasks:

Answer the following questions.

1. How long can a robofish swim in the London Aquarium once?

2. What does the underlined word “watertight” mean in Chinese?

3. What do you think people can learn from robotic fish?

Key:

1. Four hours.

2. 不漏水的、防水的。

3. It’s a great way for people to see robotics in action.

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