海洋深度是指从海平面到海底的垂直距离，也可以理解为海洋的厚度。它是衡量海洋深浅的重要指标，通常用米（m）作为单位。

How to pronounce:

/ˈdɛpθ/ (英式发音)

/ˈdɛpθ/ (美式发音)

Usage:

海洋深度通常用于描述海洋地形，对于航行、捕鱼和潜水等活动都有重要意义。它也是研究海洋生态和气候变化的重要参数。

Example sentences:

1. The average depth of the ocean is about 3,700 meters.

平均海洋深度约为3700米。

2. The Mariana Trench is the deepest point in the ocean, with a depth of 11,034 meters.

马里亚纳海沟是海洋中最深的点，深度达到11034米。

3. The research vessel will be exploring the depths of the Arctic Ocean next month.

研究船将在下个月探索北冰洋的深处。

4. The submarine can dive to a depth of 500 meters.

这艘潜水艇可以潜至500米深处。

5. The depth of the ocean varies greatly in different parts of the world.

世界各地的海洋深度差异很大。

Synonyms and usage:

1. Sea depth: another way to refer to the depth of the ocean, can be used interchangeably.

2. Ocean floor depth: specifically refers to the depth of the ocean floor, often used in scientific research.

3. Water depth: a more general term that can refer to the depth of any body of water, including lakes and rivers.

Editor's summary:

海洋深度是衡量海洋深浅的重要指标，对于航行、捕鱼和潜水等活动都有重要意义。它也是研究海洋生态和气候变化的重要参数。除了常用的“海洋深度”外，还可以使用“海深”、“水深”等同义词来描述。