亲爱的《科学一刻》栏目组。

Dear a Moment of Science.

youdao

我们是《快乐中国》栏目组的主持人。

We are hosts of Happy China.

youdao

只要您参与，我们栏目组就会送出精美的纪念品。

As long as you participate, you'll get a classy present from us.

youdao

只要您参与，我们栏目组就会送出精美的纪念品。

As long as you participate, you'll get a classy present from us.

youdao