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1.offset n.抵消，补偿；平版印刷；支管
例句：“By investing in it, we can count it as an offset,” she said.
她说：“通过对其投资，我们可以把它视为一项补偿。”
2.primary adj.主要的；初级的；基本的
例句：DO NOT put them in your primary folder.
不要将他们列入你的主要阅读文件。
adj. 主要的，初期的，根本的，初等教育的
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- Curiosity isn't NASA's only rover currently on the red planet.
- “好奇号”并非美国宇航局目前在这颗红色星球上的唯一探测器。
- According to Digital Trends, the Opportunity rover has also been on Mars since 2004.
- 据“Digital Trends”报道，自2004年以来，“机遇号”也一直在火星。
- But last year, the rover dropped out of communications when it got stuck in an enormous dust storm, and it hasn't been heard from since.
- 但在去年遭遇一场巨大的沙尘暴后，探测器失去了通讯联系，此后再无音信。
- Now NASA scientists are trying a last ditch attempt to contact the rover.
- 如今，美国宇航局的科学家们正试图做最后的努力来联系探测器。
- They've outline three unlikely but possible scenarios to explain the rover's silence.
- 他们概述了三个不太可能但可能的场景来解释探测器的失联。
- One is that the rover's primary X-band radio has failed; the second is that both the primary and secondary X-band radios have failed,
- 一是探测器的主x波段无线电失灵，二是主次x波段无线电全都失灵，
- and the third is that the rover's internal clock has become offset.
- 三是探测器的内时钟发生位移。
- NASA will try sending the new commands for several weeks,
- 未来几周内，美国宇航局将尝试发送新的指令
- but if Opportunity doesn't respond this time, then it's likely that the mission will have to be abandoned.
- 但是如果“机遇号”没有回应，那么该任务很可能将不得不放弃。
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