昨天是国庆节，天气很好，所以我跟几个朋友去爬山。

Yesterday is National day's. It was a fine day yesterday, so my friends and I went hiking to a mountain.

youdao

昨天是国庆节，天气很好，所以我跟几个朋友去爬山。

Yesterday is National day's. It was a fine day yesterday, so my friends and I went hiking to a mountain.

youdao