Unit 4

The students learn how to swim in swimming class. 

同學們在游泳課時學習如何游泳。

They learn the basics of swimming in swimming class. 

他們在游泳課時學習游泳的基本動作。

The students are stretching for swimming class. 

學生們正在為游泳課做伸展運動。

The students are practicing swimming in swimming class. 

學生們正在游泳課上練習游泳。

The students cover their heads during the earthquake drill. 

在地震防災演練中，學生們用東西遮蓋頭部。

They go outside to learn more about an earthquake drill. 

他們到教室外學習更多地震防災演練的知識。

The students receive awards at the ceremony.學生們在典禮時獲頒獎項。

They gather together to receive their awards. 他們聚在一起領獎。

The students gather on stage for the Christmas celebration. 

學生們聚集在舞台上慶祝聖誕節。

The students show their special skills for the Christmas celebration. 

學生們表演他們的特殊才藝來慶祝聖誕節。

The teacher leads the students in their martial arts lesson. 

老師在武術課中帶領學生做動作。

The students practice different martial arts moves. 

學生們練習不同武術的招式。