玩具车可以用英语表示为 "toy car"。它的来源可能是由于人们对于真实汽车的模仿，并制造出小巧的、可供儿童玩耍的版本。

下面是一些英文例句以及中文翻译：

"My son loves playing with his toy car collection." (我儿子喜欢玩他的玩具车收藏。)

"The toy car made a revving sound as it was pushed across the floor." (这辆玩具车推在地板上时发出了转动的声音。)

"I bought a toy car for my nephew's birthday." (我给我侄子买了一辆玩具车作为生日礼物。)