They warn that the amount of junk in Earth's orbit is increasing and, as it does,the risks to satellites and space vehicles,also rise.

VOA: standard.2010.07.24

Could it be that after I sold it to the junk dealer he crashed it.

有可能是,当我把车卖给废品商后,他把车子毁了。

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it's like, it's like eating food, you know. It's okay to have a bit, a bit junk food in there, you know, it's not the healthiest.

就像吃东西，可以吃一点垃圾食品，这不是最健康的。

关于网络世界 - SpeakingMax英语口语达人

"They are all hurtling around in space at 36,000 kilometers per hour and so even a 1mm piece of space junk can destroy or damage a satellite because it all comes from either dead satellites, satellites which have broken up, satellites which had fuel left in them and exploded."

VOA: standard.2010.07.24

If people are eating too much junk food, which of these is it?

如果人们吃了过量的垃圾食品,究竟是因为哪个原因呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's just junk that people don't really want anymore.

它就是人们不再想要的垃圾东西。

有各种不同的魅力 - SpeakingMax英语口语达人