1. The researchers hope to make contact with whatever "higher intelligence" may lie under the sea.
    这些研究人员希望能与任何可能居住在海底的"高级智能生命"接触。

2. The advertisements declare that active ingredients stimulate cells deep in the skin's layers to divide, so replacing old cells and effectively renewing the skin.
    广告声称那些活性因子能刺激皮肤深层的细胞分裂，以此来替换旧细胞，并有效地更新皮肤。

3. Night after night, in the hot summer and early fall of 1940, a deep, steady voice came over the Atlantic Ocean from England to America, telling of England's battle for survival under the waves of German bombers.
    在1940年的炎夏和早秋的一个个夜晚，有一个深沉而平稳的声音飞越大西洋，从英国传到美国，讲述着英国在德国轰炸机轮番进攻下为生存而进行的战斗。

4. He is a deep sea diver.
    他是深海潜水员。

5. His plane continued soaring at 5000 metres above sea level.
    他的飞机一直在海拔五千米的高空飞行。

6. His deep-set eyes appeared more sunken than usual.
    他那双本来就深陷的眼睛显得比平常更加凹陷了。

7. He had many ships which traded with othercountries. Now his ships were all at sea.
    他拥有许多船只，与别的国家进行贸易。这时，他的船都在海上。

8. He had travelled only seven miles across the Channel when his engine failed and he was forced to land on the sea.
    但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。

9. His engine failed and he landed on the sea for the second time.
    因引擎故障第二次降落在海面上。

10. Haroun Tazieff, the Polish scientist, has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
    波兰科学家哈罗恩.塔捷耶夫花了毕生的精力来研究世界各地的活火山和探洞。