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演讲听写训练 1
Welcome to Everglade National Park. The Everglade is a watery plain covered with saw grass that's home to numerous species of plants and wild life. And one and a half million acre is too big to see it all today, but this tour will offer you a good sampling. Our tour bus will stop first at Tailor Slue. This is a good place to start because it is home to many plants and animals typically associated with The Everglade. You will see many exotic birds and of course the world famous alligators. Don't worry there's a border walk that goes across the marsh so you can look down at the animals in the water from a safe distance. The border walk is high enough to give you a great view of saw grass quarry. From there we'll head for some other marshy and even jungle-like areas that feature wonderful tropical plant life. For those of you who'd like a closer view of saw grass quarry, you might consider running a canoe sometime during your visit here. However don't do this unless you have a very good sense of direction and can negotiate your way through tall grass. We hate to have to come looking for you. You have a good fortune of being here in winter, the best time of the year to visit. During the spring and summer, the mosquitoes were just about to eat you alive. Right now they are not so bothersome but you will still want to use insect repellent.
演讲听写训练 2
Thank you. It's great to see so many of you interested in this series on survival in outer space. Please excuse the cameras. We are being video taped for the local TV stations. Tonight I'm going to talk about the most basic aspect of survival: the space suit. When most of you imagine an astronaut, that's probably the first thing that comes to mind. right? Well, without space suit it will not be possible for us to survive in the space. For example, outer space is a vacuum. There's no gravity or air pressure. Without protection, a body would explode. What's more, we cook in the sun or freeze in the shade with temperatures ranging from a toasty 300 degrees above to a cool 300 degrees below zero Fahrenheit. The space suit that NASA has developed is truly a marvel. This photo enlarges men there is a life image of actual size space suit worn by astronaut on the last space shuttle mission. This part is the torso. It is made from seven extremely durable layers. This thick insulation protects against temperature extremes and radiation. Next is what they call a bladder of oxygen. That's inflatable sack filled with oxygen to simulate atmospheric pressure. This blathered presses against the body the same force as the earth atmosphere at sea level. The innermost layers provide liquid cooling and ventilation. Despite all the layers, the suit is flexible allowing free movement so we can work. Another really sophisticated part of the space suit is the helmet. I brought one along to show you. Can I have a volunteer to come and demonstrate?
演讲听写训练 3
Good evening. My name is Pan Joans and on behalf of modern dance club, I'd like to welcome you to tonight's program. The club is pleased to present the TV version of the Catherine Wheel, Twyla Tharp's rock ballet. This video version of the ballet has been even more successful with audiences than the original theater production. It includes some animations; slow motion and stop action phrases that really help the audiences understand the dance. The title of the piece refers to Saint Catherine who died on a Wheel in 307 AD. Nowadays a Catharine wheel is also a kind of fireworks that looks something like a pinwheel. Anyway the dance is certainly full of fireworks. You'll see how Twyla Tharp explores one family's attempt to confront the violence in modern life. The central symbol of the work is a pineapple, but exactly what it represents has always created a lot of controversy. As you watch see if you can figure it out. The music for this piece is full of the rhythmic energy of the rock music. It was composed by David Burn of the rock band Talking Head. And the lead dancer in this version was Sara Radener who is perfectly suited to Tharp's adventurous choreography. Following the video, dance teacher Mary Parker will lead the discussion about symbolism Mr. Tharp used. We hope you can stay for that. So enjoy tonight's video and thank you for your support.
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