asteroid是什么意思

短语搭配

(1)Trojan asteroid特罗央群小行星

(2)asteroid belt小行星带

双语例句

(1)The asteroids 1975 WK1 is named after Zhenning Yang.

小行星1975 WK1正式命名为杨振宁星。

(2)The fisherman found a dead asteroid on the beach.

渔夫在沙滩上发现了一只死掉的海星。

(3)This asteroid plant has attracted a lot of media attention.

这种星状的植物引起了很多媒体的注意。

(4)An asteroid is any one of the many small planets which go around the sun.

小行星是围绕太阳运行的许多行星中的一颗

(5)Japan lands on asteroid

日本探测器登陆小行星

(6)NASA successfully lands on asteroid

NASA成功实现小行星登陆

(7)Asteroid could hit earth in 2068

小行星或于2068年撞击地球

(8)Scientists announced that an asteroid the size of the Eiffel Tower may collide with Earth in 2068.

科学家宣称一颗约埃菲尔铁塔大小的小行星可能在2068年与地球相撞。

(9)There is an asteroid on a collision course with the Earth.

有个小行星正处于可能与地球发生碰撞的航向上。

(10)Scientists were debating whether an asteroid was about to hit the Earth.

科学家们在争论一颗小行星是否要撞上地球。

(11)The largest asteroid is Ceres, which is about a quarter the size of the moon.

最大的小行星是谷神星，其体积大约是月球的四分之一。

(12)In this case, the orbit of the rotating asteroid will very slowly spiral toward the sun.

在这种情况下，旋转小行星的轨道将非常缓慢地向太阳旋转。

(13)An asteroid could have annihilated the USA—and I wouldn't have heard the news for hours.

一颗小行星可能已经把美国毁灭了——而我可能几个小时内都没有听说这个消息。

同义词

n. 小行星；海盘车；小游星

adj. 星状的

同根词

词根 aster

(1)asteroidal adj. 星状的

(2)aster n. [植] 紫菀属植物；星状体

释义

n.

a small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.

小行星。

词源

"early　19th　cent.:　from　Greek　asteroeidēs　‘starlike’，　from　astēr　‘star’．"

考纲分布

近16年出现1次

重要程度: 3星

100%; n 小行星

考纲释义

( 1)n. 小行星

真题例句：

Now utopia has grown unfashionable, as we have gained a deeper appreciation of  threats facing us, from asteroid strike to epidemic flu and to climate change.

如今，乌托邦已经不再流行，因为我们对自己面临的威胁有了更深的认识，从小行星撞击到流行性感冒，再到气候变化。[2013年 英语一 阅读理解A]

(1)Bruce Willis. Oil driller has to save the world from an asteroid. He does. That's better.

布鲁斯·威利斯演的，钻油井工人，拯救地球免受小行星撞击，而且成功了。这次好多了。《Me before you》《遇见你之前》

(2)I'm serious, JPL's actually developing a robot arm that could grab an asteroid before it hits us.

我是说真的，美国喷气推进实验室真的在研究能在小星星砸到地球前就抓住它的机械手臂。《The Big Bang Theory Season 10》《生活大爆炸 第十季》

(3)Humanity merged with machines, extinct due to climate change or asteroid impact, or inhabiting a permanent colony on Mars.

人类与机器分不开，灭绝原于全球暖化或行星之间撞击，又或是人类在火星定居了。《TED-Ed》《TED教育》