1 sentence

1. 人类的口腔是人体最灵活、最具表现力的部分之一。

   rén​lèi de kǒu​qiāng shì rén​tǐ zuì líng​huó, zuì​jù biǎo​xiàn​lì de bù​fen zhī​yī.

   The human mouth is one of the most flexible and expressive parts of the human body.

   Source: CCMatrix