给鞋子穿上轮子吧！给鞋子穿上轮子吧！Wear this pair of wheels on your shoes. Your shoes become skates (溜冰... to the shoes. It can go for 10 to 15 kilometers.Wear this pair of wheels on your shoes. Your shoes ……

This is a kitchen. It has many different pieces. People can assemble (组装) it themselves. It has tables and chairs. About 30 people can eat here. There are wheels under the kitchen. It can go anywhere. ……

This is a table. You can eat on it. But it is more than just a table. You just lift one side of it. Tada! It is now a shelf. There are small wheels under it. You can take it anywhere. ……

longer than a soccer field! There are six engines (引擎) and 28 wheels (轮子) under the plane... health problems.3. Shoes off at the door 进屋前要脱鞋吗？When we visit someone in their home, we usually ……

than common (普通的) shoes. When you want to stop, tip your toes (踮起脚尖), and the wheels will stop moving... ROBOTICSFastest shoes ever Fastest shoes ever 脚底踩上“风火轮”，上学再也不迟到！脚底踩上“风火轮”，上学再也不迟到！Believe ……

with a wheel right in the heel, Heelys do double duty as both shoes and skates, meaning you can get a good running start before you let the wheels fly. Sprint, rest back on your heels, lift your toes ……

SHIFT ROBOTICSSHIFT ROBOTICS Walking on the fastest shoes  Walking on the fastest shoes Wish you could walk faster? Try Moonwalkers. Created by a US company, this pair of shoes ……

Shoes on wheelsApril 22, 1823: Robert John Tyers from London gets a patent for hisroller-skate(轮滑冰鞋). Hefixes(固定) five smallwheels(轮子) to the bottom of a shoe. The wheels are in one line. People can ……

are not using it, you can fold (折叠) it into a small bag.What are those? They are shoes. But they have no tops... (闹钟). But they have wheels (轮子). If you can’t get up in the morning, the clock will ring and run ……

been hurt."Heelys wheels are on the heels of the shoes, so it's easy to fall," said Liu Rui, a doctor... like common sports shoes, but they have a wheel hidden in theheel(鞋跟). So instead of walking, kids ……

of railway (铁路). It runs under the ground (地面). It never3 makes a traffic jam (交通堵塞).3.It’s usually made..., it will be garbage (垃圾).4.It’s much larger than a car. It has wheels. There are many people on it. People ……

这个厨房可以移动哦。Can a kitchen (厨房) move? For this “friendly kitchen” from British Red Cross, the answer is yes. There are wheels (轮子) under the kitchen. It can go anywhere. It is easy to take apart (拆卸 ……

of cyclists roaming city streets, what one wears and the wheels one rides say a lot about a cyclist... by a cyclist in brightly colored, skin-tight lycra, clip-on shoes and an aerodynamic helmet on their head ……

. It's big and can carry a lot of things.Down1. It runs on two wheels. People have to ride it.2. It usually goes under the ground.3. It carries astronauts in space.5. It's mostly used for farming.8. It has ……

. It’s big and can carry a lot of things.Down1. It runs on two wheels. People have to ride it.2. It usually goes under the ground.3. It carries astronauts in space.5. It’s mostly used for farming.8 ……