2 sentences

1. 他们唱圣诞颂歌和跳舞。

   tā​men chàng shèng​dàn sòng​gē hé tiào​wǔ.

   They sing Christmas carols and dance.

   Source: CCMatrix

2. 此外，唱圣诞颂歌也是圣诞夜的重要内容。

   cǐ​wài, chàng shèng​dàn sòng​gē yě shì shèng​dàn​yè de zhòng​yào nèi​róng.

   In addition, singing Christmas carols is also an important part of Christmas Eve.

   Source: CCMatrix