1. But can we blame those who looked and failed to see what Galileo saw, if we remember that to use a telescope at the limit of its powers calls for long experience and intimate familiarity with one´s instrument?
    但是，如果我们想到，便用一架倍数有限的望远镜需要长期的经验和对自己仪器的熟悉程度，那么我们怎么能去责备观察了天空但没有看到伽利略所看到的东西的那些人呢？

2. We have an old musical instrument. It is called a clavichord.
    我们有一件古老的乐器.它叫击弦古钢琴。

3. We have an old musical instrument. It is called a clavichord.
    我们有一件古老的乐器.它叫击弦古钢琴。

4. When the instrument is situated at more than 700 miles from the earthquake centre,
    如果把这种仪器安装在距震源700多英里远的地方，

5. We have an old musical instrument.
    我家有件古乐器，

6. The ideal to be aimed at was to devise an instrument that could record with a pen on paper, the movements of the ground or of the table as the quake passed by.
    理想的目标是设计出这样一种仪器：当地震发生时，它能用笔在纸上记录下大地和桌子运动情况。

7. The instrument was bought by my grandfather many years ago.
    是我祖父在很多年以前买的。

8. He devised an instrument to measure light waves.
    他发明了一台仪器来测量光波。

9. Humboldt smiled, took a louse from the mistress´s hair and put that under the instrument.
    洪堡笑了笑，从那位贵妇的头上也拿下了一只虱子放到了显微镜的下面。

10. A knife is an instrument which cuts.
    刀是切东西的工具。

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