1. They aroused great interest at the time, they had important theoretical consequences, and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
    这些观察当时引起人们极大的兴趣，具有重要的理论意义，并充分显示出了仪表和仪器的潜在力量。

2. If the landscape is hidden from view , you can enjoy the extraordinary sight of unbroken cloud plains .
    如果这种景致被遮挡了，你可以欣赏连绵不断的云海这种超凡景象了。

3. If the landscape is hidden from view,
    如果这种景色被遮住了，

4. For the same reason, writers talk interminably about their own books, winkling out hidden meanings, super-imposing new ones, begging response from those around them.
    由于这个原因，作家喋喋不休地谈论自己的书，挖掘其隐晦的含义，询问周围人的反应。

5. Finally, they even had the bicycle X-rayed, to find out if anything was hidden inside.
    最后甚至还用X光检查自行车，想看看是否在车内藏着什么。