VOA常速英语:New Type of Flying Vehicle in Development

短语讲解：

1. It's in a hangar the Navy once used for its helium-gas-filled surveillance blimps.

use for作…用
例句：We used the seal's fur for coats.
我们用海豹皮做大衣。

2. "[This vehicle is ideal for] the north of Canada, Alaska, where big oil and gas exploration is going on, same as the Amazon region, or the continent of Africa, which is very poorly developed," said Pevzner.

same as 等同于
例句：His attitude is the same as ever.
他的态度和以前一样。

3. Aeronautical engineer Tim Kenny says the key to the system is a new technology that allows the craft to go up or down without removing or adding weight, as is required on conventional airships. 

go up上升, 上涨, 提高, 增加, 增高
例句：The temperature is going up; will the snow melt?
气温正逐渐上升, 雪会融化吗?

4. "The whole shape will be filled with helium throughout the whole vehicle, and then internal to that, we'll have the variable buoyancy system," Kenny explained.

be filled with充满着
例句：The hall was filled with persons welcoming him.
大厅里挤满了欢迎他的人。

5. The helium provides lift for the craft to go up, and when the helium is compressed, the craft loses its buoyancy and can land.

provide for供给，为…提供
例句：The local government provided special buses for the guests.
地方政府为宾客提供了专车。

6. The demonstration model should fly by late next year.

fly by飞过; 迅速过去
例句：A rare bird has just flown by.
一只罕见的鸟刚飞了过去。

7. The U.S. military is interested in the ship's potential.

be interested in对…感兴趣
例句：I also began to be interested in crickets.
我也开始对板球运动感到兴趣。