1. The undulating waves of the open sea are generated by three natural causes: wind, earth movements or tremors, and the gravitational pull of the moon and the sun.
    公海上起伏的波浪是由3个自然因素构成的：风、地球的运动或震颤和月亮、太阳的引力。

2. They have an air of freedom, and they have not a dreary commitment to mean ambitions or love of comfort.
    他们无拘无束。既不追逐卑鄙的名利，也不贪图生活的舒适。

3. The dealer told him that it had just come in, but that he could not be bothered to open it.
    古董商告诉他那只货箱刚到不久，但他嫌麻烦不想把它打开。

4. There is nothing secretive about the Ombudsman´s work, for his correspondence is open to public inspection.
    司法特派员的工作没有什么秘密可言，他的信件是公开的，供公众监督。

5. This increases their air-resistance and reduces the shock of impact when they hit the ground.
    这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。

6. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
    这样就解决了通风问题。因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。

7. They feared that the mummy would fall to pieces when they cut it open, but fortunately this has not happened.
    他们曾担心在把木乃伊切开后，它会散成碎片，但幸运得很，这种情况并未发生。

8. The air was so warm and bright, and I could hear the blackbirds whistling on the edge of the woods, and the Prussians drilling in the meadows behind the sawmill.
    天气多么暖和，多么晴朗呀！林边树梢上画眉在吟唱，锯木厂后面的草坪上传来普鲁士军人操练的声音。

9. Through the open window I saw my schoolmates already in their places.
    从开着的窗子望进去，我看到同学们已端坐在自己的座位上，

10. The other was infection; however well the operation was done, the patient often died afterward from infection in the open wound.
    另一个原因是感染：不论手术多么成功，病人常常在手术后死于刀口的感染。