jetpack, a machine you wear on your back that helps you fly in the air, flying car, a car that can fly in the sky., fossil fuel, fuels, such as gas, coal, and oil., economical, using as little of something as possible., fast, moving or happening quickly., self-driving, used to refer to a vehicle that drives itself., wonderful, extremely good., spacious, large and with a lot of space., convenient, something is easy, useful, and saves time or effort., amphibious bus, a bus that can travel on land and water.

CHECKING UNDERSTANDING

由
列印
嵌入

排行榜

我們目前正在努力改進排行榜功能。請通過提供您的反饋來幫助我們。

提供反饋

視覺風格

選項

我們目前正致力於改善活動設定。請提供您的回饋來協助我們。

提供反饋

切換範本

恢復自動保存: ?