The salesman is carolling the glories of the company.

推销员正在歌颂公司的辉煌成就。

The carolling of Christmas songs echo through the air.

圣诞节的圣诞颂歌的歌曲在空中回响。

The carolling of Christmas songs echo through the air.

圣诞颂歌回响在空气中。

The children went carolling during the week before Christmas.

圣诞节前一周，孩子们到各家各户去唱圣诞颂歌。

The children went carolling during the week before Christmas.

周，孩子们去唱圣诞颂歌。