Definition: a thick, round piece of rubber filled with air, that fits around a wheel Level: A2
我的滑板车有一个小轮胎。
My scooter has a small ___tire.
我有一个漏气的轮胎。
I've got a flat ___tire.
我在车后部备有一个备用轮胎。
I keep a spare ___tire in the back of the car.
