VOA慢速英语:Scientists Create New Maps of Ocean Floor

短语讲解：

1. The map is expected to help oceanographers, industry and governments.

be expected to 被期待做某事; 有望做某事; 期许
例句：That could hardly be expected to last.
这很难预计将持续多久。

2. But, the ocean surface topography has these bumps and dips due to gravitational effects that mimic what’s on the sea floor.

due to 欠下债[账]，应给予; 由于
例句：It is usually due to genetics or stress.
磨牙通常是由遗传或压力造成的。

3. “That enables us to look at smaller-scale features and also features that are buried by sediments in the ocean basins.” 

look at 看; 评判
例句：Look at our verse today.
看我们今天的章节。

4. You have three plates -- the African plate, and the Indo-Australian plate and the Antarctic plate -- all connected at this one point in the center of the Indian Ocean.

in the center of 在中间，在中央
例句：The new building will be located in the center of town. 
这座大楼将建在市中心。 

5. If scientists know that information, they may be able to find oil fields.

be able to 能够
例句：We must be able to stay impartial at all times. 
我们必须经常保持公正的态度。 

6. You don’t have to go out with your ship and start looking for something new -- we can target that with the gravity and then go out with the ship and do the high resolution survey to really understand these features.

go out with 和…约会；和...外出
例句：Would you go out with me?
你愿意和我出去吗？