今天是国庆节，国庆节，国庆节。

Today is our National Day, National Day, National Day.

youdao

今天是国庆节，街上很拥挤。

It being National day today, the streets are very crowded.

youdao

今天是国庆节，街上很拥挤。

As it is National day today, the streets are very crowded.

youdao

今天是国庆节。

Today is National day.

youdao

今天是我们的国庆节。

Today is our National Day.

youdao

今天是我们的国庆节。

Today is our National Day.

youdao