1 sentence

1. 口罩太小将无法正确密封，并且空气将从边缘漏出。

   kǒu​zhào tài xiǎo jiāng wú​fǎ zhèng​què mì​fēng, bìng​qiě kōng​qì jiāng cóng biān​yuán lòu chū.

   A mask that is too small will not seal properly and air will leak out through the edges.

   Source: CCMatrix