Meteoroids become meteors when they enter our atmosphere and meteorites when they hit the ground.

流进入地球大层时会变成流，撞击地面时变成石。

Some people thought it was a meteor shower.

有人以为是一场流雨。

It's the first meteor shower of Spring.

天琴座流雨是春季的第一场流雨。

Others speculated it was a meteor or aliens.

其他人则猜测它是一颗流或者外人。

On Mercury, without that atmosphere, the asteroids and meteors smack down at full throttle.

上有大直接全速撞击表面。

So if a meteor explodes in the atmosphere and no one's around to hear it.

所以如果一颗流在大中爆炸而周围有人能听到。

A meteor that scientists say was probably a few meters across.

科学家说这颗流的直径可能只有几米。

Which of these meteor showers is typically visible in April?

以下哪一种流雨在四月比较常见？

Imagine if we had spent hundreds of billions per year subsidizing giant meteors.

这就好比恐龙每年给巨大的流补贴成百上千亿的路费来撞地球。

Venus has been hit hard with meteors.

金，被撞击。

Meteors, asteroids, and comets struck my surface for a billion years.

从十亿年前开始，流、小行和彗不断撞击我。

Get out! I couldn't stop if a meteor hit me.

少来了，我就算被 石打中也停不下来。

Shower me with a show of hands if you set meteor showers.

如果你选的是流雨，请举手示意我。

These lights in the sky are called meteors.

天空中的这些光被称为流。

The streaks of light are in fact meteors.

这些光带实际上是流。

That was just a... a meteor or something.

只不过是… … 是颗流或是别的什么玩意罢了。

The Harlem Shake memes and a meteor that hit Russia.

哈林摇舞步正在兴起，还有撞击俄罗斯的流。

The meteor was a big 20-meter-wide rock that weighed the same as the Eiffel Tower.

这颗流是一块 20 米宽的巨石，和埃菲尔铁塔一样重。

Qingdao Aishan Observatory confirmed later that it was a piece of meteor.

青岛艾山天文台后来证实那是一颗流。

Meteors and asteroids collide with this planet fairly frequently.

流，小行和这颗行的碰撞相当频繁。