Nancy became frightened when the plane started losing height.

飞机开始下降，南茜感到害怕起来。

" Is it my imagination, " shouted Ron after a considerable stretch of silence, " or are we losing height? "

“是我的错觉吗，”在一段长时间的沉默后罗恩喊道，“还是我们真的在下降？”

The plane was rapidly losing height.

【height】那架飞机在迅速降低飞行高度。

They missed the dark stone wall by inches as the car turned in a great arc, soaring over the dark greenhouses, then the vegetable patch, and then out over the black lawns, losing height all the time.

汽车拐了一个大圆弧，擦墙而过，飞过黑暗的温室、菜地，飞到外面黑色的草坪上方，一直在坠落。