1. They set sail on the sea.
    他们乘船出海。

2. The goods have been smuggled out by sea.
    货物已从海上走私运出去了。

3. The spaceship made a splashdown in the sea.
    宇宙飞船降落在海中。

4. The tunnel would be well- ventilated if tall chimneys were built above sea-level.
    假如高大的烟囱状通风管伸出海面的话，这条隧道的通风将是良好的。

5. The open sea was deep and mysterious, and anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
    无边无际的海洋深邃而又神秘，凡是稍稍想过大海海底的人大概都会认为海底是平坦的。

6. Today, enough soundings are available to enable a relief map of the Atlantic to be drawn and we know something of the great variety of the sea bed´s topography.
    现在已有足够的水深测量数据来绘制一张大西洋洋底地形图，而且我对海底地形的千变万化也有了一定的了解。

7. The wind then speaks the message of the sun to the sea and the sea transmits it on through waves----an ancient, exquisite, powerful message.
    然后，风把太阳的住处带给了大海，海洋用波浪的形式传递这个信息 -- 一个源过流长、高雅而有力的信息。

8. 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。

9. The platforms extend to a depth of over 100 feet under the sea.
    平台深入海底100英尺。

10. The small ship, Elkor, which had been searching the Barents Sea for weeks, was on its way home.
    小船"埃尔科"号在巴伦支海搜寻了几个星期之后，正在返航途中。