Our team-building trainer demonstrated an upstart on the mat before the afternoon session began.

我們的團隊建立訓練師在下午課程開始前，於墊子上示範了一個屈伸上動作。

The hotel gym brochure says guests can join a beginner class to learn the upstart.

飯店健身房的簡介寫著，住客可以參加初級課程學習屈伸上。

In her job interview, the coach explained how she teaches the upstart to young athletes.

在求職面試中，這位教練說明了她如何教導年輕選手做屈伸上。