1 sentence

1. 研究员在复杂的图表上标注了几个关键的数据点。

   yán​jiū​yuán zài fù​zá de tú​biǎo shàng biāo​zhù le jǐ gè guān​jiàn de shù​jù​diǎn.

   The researcher marked several key data points on the complex chart.

   Source: Dong Chinese Dictionary