swimming 游泳

warm-up 暖身

kick 打水

kick board 浮板

stroke 式, float 漂浮,

hold your breath 閉氣

The teacher leads a warm-up before swimming. 老師帶學生在游泳前熱身。

The students use a kick board to practice swimming. 同學們用浮板練習游泳。

The students practice their kicking on the side of the pool. 同學們在泳池旁邊練習打水。

The teacher shows how to do a free-style stroke. 老師示範如何游自由式。

The students practice floating. 同學們練習漂浮。

You need to hold your breath to swim. 你必須閉氣才能游泳。