翻译和例句：
运动发展的天体系统，而行星是最基本的天体系统。上月，第26届国际天文学联合会在捷克首都布拉格召开，来自全世界的天文学家聚集在此，对行星的定义展开了激烈的辩论。由于近年来天文学家在太阳系外层空间发现了许多绕日运行的大型天体，国际天文学联合会认为，如今应该对“行星”一词进行科学的定义了。根据在大会上通过的行星新定义,行星指的是围绕太阳运转、自身引力足以克服其刚体力而使天体呈圆球状、能够 ……
How much do you know about Uranus (天王星)? It is one of the eight planets in our solar system (太阳系). Its color is blue-green. At -200 C, it is the coldest planet in our solar system. ……
Here are the names of the planets (行星) of our solar system. Can you find them? ……
Have some chocolates! These chocolate balls look like planets (行星). They are different colors. And different “planets” have different flavors (口味)! Do you want to try an “Earth”? ……
;from the Ryugu asteroid (龙宫小行星). They found amino acids (氨基酸) in it. Amino acids are important... sample from the Ryugu asteroid (龙宫小行星). They found amino acids (氨基酸) in it. Amino acids ……
一颗硕大的小行星刚刚与地球擦肩而过。On the first day of September, a dangerous traveler came close to Earth.It was a large and heavy asteroid (小行星) named Florence. Humans (人类) first learned about near-Earth asteroids ……
宇宙中发现粉色行星宇宙中发现粉色行星Scientists recently found a pink star in space. It is GJ 504b. Its pink color comes from its high temperature. It is about 237 C. GJ 504b is also very big. It is four times the size ……
Scientists have discovered a new Earth-like planet (行星). It is 4.2 light-years (光年) away and could be the nearest to us so far. The planet, named Proxima b, orbits (环绕运行) the star Proxima Centauri ……
2022年，小行星会撞地球？2022年，小行星会撞地球？Watch out! An asteroid (小行星) known as JF1 is coming towards Earth... on it.Watch out! An asteroid (小行星) known as JF1 is coming towards Earth. The rock is as big ……
太阳系真的只有九大行星吗？也许还有第十个呢？TEXTBOOKS list nineplanets(行星) in thesolar system(太阳系). Now, we might have a 10th.This month, American scientists said that they found a small moon that may be circling a new ……
小行星撞地球导致恐龙灭绝。词数 170 建议阅读时间 4分钟 FOR years, scientists have argued over what killed dinosaurs (恐龙). Last week they reached an agreement — a huge asteroid (小行星) wiped them out.After looking at 20 years ……
(心形的弹坑) on the dwarf planet (矮行星). The crater is icy. Now scientists say there may be water under...(小行星) might have hit Pluto. u So there was a big crater. Scientists found it many years ago. But now ……
planet (行星) in the boxes. Read this riddle about the planets in the solar system (太阳系). Write the names of each planet (行星) in the boxes. Riddle:Pluto’s not a planet ……
来自太空的礼物
."生词大本营weight 体重planet 行星生词大本营生词大本营生词大本营weight 体重planet 行星weight 体重planet 行星weight 体重planet 行星北京小学六（4 ……
文件asteroid 小行星livestock 牲畜lunar 月球的 ……
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