表達“海洋”的英文短句有：
1. The vast expanse of the ocean stretches far into the distance.
2. The waves crash against the shoreline of the ocean.
3. The ocean is a source of food and livelihood for many coastal communities.
4. The ocean covers over 70% of the Earth's surface.
5. The ocean is a source of oxygen and carbon dioxide.
6. The ocean is a habitat for many marine species.
7. The ocean covers vast areas of the planet and is a crucial part of our planet's ecosystem.
8. The ocean is a source of inspiration for many artists and writers.
以上短句中，“the ocean”指的是海洋，是地球表面覆蓋面積最大的水體之一。