1 sentence

1. 一个以张教授为首的科研小组正在进行这项实验。

   yī gè yǐ Zhāng jiào​shòu wéi​shǒu de kē​yán xiǎo​zǔ zhèng​zài jìn​xíng zhè xiàng shí​yàn.

   A research team led by Professor Zhang is conducting this experiment.

   Source: Dong Chinese Dictionary