在寒假開始之前，我的英語老師透過ted的影片簡單的介紹了 20 天的挑

在寒假開始之前，我的英語老師透過ted的影片簡單的介紹了 20 天的挑戰。

結果 (英文) 1:

Before the start of the winter vacation, my English teacher briefly introduced the 20-day challenge through ted's video.

結果 (英文) 2:

Before the winter vacation, my English teacher introduced the challenge of 20 days through Ted's film.

結果 (英文) 3:

Before the winter vacation, my English teacher briefly introduced the 20-day challenge through ted films.