Discovery How Its Made 069 06x04 Seatbelts, Windows, Wax Figurines, Hot Air Balloons 安全带,塑钢窗,小蜡像,热气球 Discovery How Its Made 070 06x05 Air Filters, Billiard Cues, Ice Sculptures, Suits 空气过滤器,台球杆,冰雕,西服 Discovery How Its Made 071 06x06 Escalator Handrails, Highlighters...
Because we need air to breathe and survive. Wind brings in rain for thirsty trees and flowers and it can be used to produce clean energy. 这篇文章主要讲述了空气和风的重要性。 1. 当风吹过时,我们能感觉到脸上的空气。 2. 我们需要空气来呼吸和生存。 3. 通过观察风向标,我们可以知道风从哪里...
Discovery How It's Made 003 01x03 Toothpicks, Bathtubs, Helicopters, Beer 牙签,亚克力浴缸,直升机,啤酒 Discovery How It's Made 004 01x04 Hearing Aids, 3D Puzzles, Rubber Mats, Toilets 助听器,三维拼图,胶垫,抽水马桶 Discovery How It's Made 005 01x05 Copy Paper, Jeans, Computers, Plate Gl...
Most hot air balloons use a wicker basket for the passenger compartment. Wicker works very well because it is sturdy, flexible and relatively lightweight. The flexibility helps with balloon landings: In a basket made of more rigid material, passengers would feel the brunt of the impact force. ...
第一季Discovery How Its Made 001 01x01 Aluminum foil, Snow Boards, Contact lenses, Bread铝箔，滑雪板，隐形眼镜，面包Discovery How Its Made 002 01x02 Compact Discs, Cheese, Panty Hose, Fluorescent Tubes光碟，奶酪，女式连袜裤，荧光灯管Discovery How Its Made 003 01x03 Toothpicks, Bathtubs, ...
情境1任务1:完形填空Do you know how hot air balloons were invented? One day, a paper bag was heated(加热) over a fire by two brothers. It was filled with hot air 1 it flew up suddenly. The flying of the paper bag 2 from the hot air. It was because the hot air inside was lighte...
Hot Air Balloons: Up, Up, and Away! ; in Our High-Flying Photo Quiz, See How Much You Know about a Type of Transportation That Dates Back to 1783Is it a bird? Is it a plane?It's probably not going to take you long to figure out...By Ellis...
And it's easy to see why. The sport definitely has an edge to it. There is something about leaping from a plane and falling through the air at 120 miles per hour that really gets people's attention. Have you ever wondered how skydiving works? What kind of equipment do skydive...
Made 069 06x04 Seatbelts, Windows, Wax Figurines, Hot Air Balloons 安全带,塑钢窗,小蜡像,热气球 Discovery How Its Made 070 06x05 Air Filters, Billiard Cues, Ice Sculptures, Suits 空气过滤器,台球杆,冰雕,西服 Discovery How Its Made 071 06x06 Escalator Handrails, Highlighters, Guitar Strings,...
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