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1·On December 3, our national flag was shown on the moon.

12月3日，我们的国旗出现在月球上。

2·In Chang'e 3 and 4 tasks, the national flag was painted on the spaceship.

在嫦娥三号和四号任务中，国旗被绘画在飞船上。

3·Sitting under a national flag, the astronauts appeared in good spirits and answered several questions.

宇航员们坐在国旗下，精神抖擞地回答了几个问题。

4·When watching the raising of the national flag, we should stand straight with our backs.

观看升国旗时，我们应该挺直腰背。

5·Every Monday, we watch the raising of the national flag in the playground unless it rains.

每周一，除非下雨，我们都在操场上看升国旗。

6·Thousands of people go to Tian'anmen Square and watch the national flag go up every morning.

成千上万的人们每天早上去天安门广场看升国旗。

7·The flag carried by Chang'e 5 is the first Chinese national flag that has been planted on the Moon.

嫦娥五号携带的国旗是第一面插在月球上的中国国旗。

8·The Chang'e 5 robotic probe has become China's first spaceship to bring the country's national flag to the Moon.

嫦娥五号机器人探测器成为中国首个将国旗送上月球的宇宙飞船。

9·Make a Chinese national flag.

做一个中国国旗。

10·It's the Chinese national flag.

这是中国的国旗。