yán / jiū / rén / yuán / bǐ / jiào / le / liǎng / zhǒng / yǔ / yán / shì / tú / zhǎo / chū / tā / men / de / gòng / tōng / xìng

研究人员比较了两种语言，试图找出它们的共通性。

The researchers compared the two languages in an effort to identify their commonalities.