The aircraft began to lose height.

那架飞机开始下降了。

youdao

With neither engine working, Voyager quickly began to lose speed and height.

由于没有引擎在工作，“航行者”迅速开始失去速度和高度。

youdao

The back bones, called vertebrae (say: vur-tuh-bray), end up pressing closer together, which makes a person lose a little height and become shorter.

背部的骨头，称为脊骨(说：vur - tuh - bray)是竖着紧压在一起的，而正是这些骨头使一个人的高度减小从而变矮。

youdao

Dr. Hannan's study, in the Journal of Bone and Mineral Research last week, found that men over age 70 who lose 2 or more inches in two years have a 54% higher risk of fracturing a hip in the next two years than men who lose less height.

WSJ: Health Journal: Yes, You Are Getting Shorter

Elderly women who lose that much height that fast have a 21% higher risk of hip fracture, said the study, which examined data from over 3, 000 adults from the Framingham Heart Study.

WSJ: Health Journal: Yes, You Are Getting Shorter

Finally, in order to lose 15 pounds in 30 days, at your height, weight and age, you would need to reach a 1750 calorie deficit every day.

CNN: Is it possible to lose 15 pounds in one month?