3 sentences for 最先 (zuì​xiān — the very first)

1. 河流是最先的道路。

   hé​liú shì zuì​xiān de dào​lù.

   Rivers were the first roads.

   Source: CCMatrix

2. 我是最先发言的人之一。

   wǒ shì zuì​xiān fā yán de rén zhī​yī.

   I was one of the first to speak.

   Source: CCMatrix

3. 金子大概是人类最先使用的金属。

   jīn​zi dà​gài shì rén​lèi zuì​xiān shǐ​yòng de jīn​shǔ.

   Gold was probably the first metal used by humans.

   Source: CCMatrix