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第13课

2021-6-12 09:57| 发布者: admin| 查看: 137| 评论: 0

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第13课Lesson 13

冬季星空Winter sky

1.秋去冬来，北斗七星及其他星座发生了那些变化？

What changes have taken place in the big dipper and other constellations from autumn to winter?

2.整理我们的观察记录，有什么发现？

Sort out our observations. What do you find?

3.让我们搜集有关冬季星空的资料，继续观察、研究星空。

Let's collect data about the winter stars and continue to observe and study the stars.

4.天空中的星星更亮了。

The stars in the sky are brighter.

5.看，南天那颗星多亮！

Look, how bright the star in the South sky is!

6.交流我们的观察和发现。

Communicate our observations and findings.

7.出现了许多秋季没见过的星座。

There are many constellations that we haven't seen in autumn.

8.我选定的观察目标已经看不到了。

My chosen observation target is no longer visible.

9.认识冬季星空中的显著星座。

Recognize the prominent constellations in the winter sky.

10.冬季上半夜，在南天最引人注目的是猎户座。

In the first half of winter, Orion is the most eye-catching sign in the southern sky.

11.猎户座像一个左手持着盾牌、右手高举大棒、腰间斜挂宝剑的威武猎人。

Orion is like a powerful hunter with a shield in his left hand, a stick in his right hand and a sword at his waist.

12.在"猎人"的两个肩膀、左脚、右腿部位，有四颗亮星组成一个不规则的四边形，其中左脚部位那颗星又白又亮；

On the two shoulders, left foot and right leg of the hunter, there are four bright stars forming an irregular quadrilateral. The star on the left foot is white and bright.

13.在“猎人”的腰带部位，有三颗比较亮的星，斜着排成一排。

At the huntsman's belt were three of the brighter stars, arranged at an Angle.

14.这七颗亮星是识别猎户座的明显标志。

The seven bright stars are a clear sign of the constellation Orion.

15.天狼星

Sirius

16.冬季星空，从猎户座“猎人”腰部三颗亮星向东南方向看去，全天最亮的恒星就是天狼星。

In the winter sky, Sirius is the brightest star in the sky as you look southeast from the three bright stars in the lower part of the Orion Hunter constellation.

17.天狼星是大犬座的∝星，距离我们约有8.6光年。

Sirius, the ∝ star in the constellation Canis Major, is about 8.6 light-years away.

18.画出北斗七星的样子。

Draw the Big Dipper.

19.秋季

In the fall

20.冬季

In the winter

21.根据我们的观察，从秋到冬，星空发生了什么变化？

What changes do we observe in the sky from autumn to winter?

22.一天之中的变化

Changes in the day