The leatherback is certainly not the only animal with such an arrangement; gulls have a countercurrent exchange in their legs.

当然并不只是棱皮龟有这种结构，海鸥的腿部也有一个逆流交换系统。

youdao

The guys feel it in their legs, but they're doing their part.

这帮家伙们只是找一找感觉，但是人他们很努力。

youdao

The machine is also being tested on spinal injury patients who have recovered some restricted movement in their legs.

机器正在接受脊柱损伤病人的测试。测试让一些下肢活动受限的病人得到康复。

youdao

Also,their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs,was reduced.

VOA: special.2010.06.23

So,during a special time in the game, everyone stands up and stretches their arms and legs.

VOA: special.2011.04.04

In the study,patients who received lower doses of steroids by mouth spent less time in the hospital, and their risk of side effects such as glaucoma, high blood pressure and edema, or swelling in the legs, was reduced.

VOA: standard.2010.06.21

Then one picked up a scent and, new life in their legs, they loped in file for the trees, vanished.

NPR: Excerpt: 'The Broken Shore'

For the first time, men make up 10% of those receiving treatment - most enhancing their bodies with muscle implants in their arms and legs.

BBC: A model on a beach

Dominant people tend to take up more space in the room, by splaying out their legs and feet, slouching in a chair to occupy more space in the room, and by using their arms and hands to take up more space horizontally.

FORBES: How to Detect Respect - or Disrespect: Body Language Quick Takes #7