1 sentence

1. 最早的鼠标是带着两个金属轮子的雕琢木块。

   zuì​zǎo de shǔ​biāo shì dài zhe liǎng​ge jīn​shǔ lún​zi de diāo​zhuó mù​kuài.

   The first computer mouse was a carved block of wood with two metal wheels.

   Source: UM-Corpus: Education