The structure of the backbone shows, however, that Ambulocetus swam like modern whales by moving the rear portion of its body up and down, even though a fluke was missing.

不过，走鲸的脊椎结构显示，即使没有尾片，它们在水中同样能够像现代鲸鱼那样通过身体后面部分的上下摆动来游动。

youdao

Lie in the prone position, with your hands on the floor and repeatedly press the upper body up and down.

弯下上身，俯卧，手撑地面，重复将上身支起并放下。

youdao

Then the pair carried the body up the pitcher walls, an equally tough job because the surface is slippery, thanks to a flaky wax that helps the pitchers entrap their prey.

然后这对蚂蚁把尸体拖到植物壁上，这是一项艰巨的工程，因为表面真是太滑了，都是因为植物分泌蜡以防食物被拖走。

youdao

I then took up three pieces of wood from the flooring, and placed his body parts under the room.

VOA: special.2009.05.16

My body dies,but he sort of swoops up my information about my personality and recreates somebody up in heaven with that similar personality.

在我肉体消亡时，将关于我的人格的信息,提取出来在天堂创造了另一个人。

耶鲁公开课 - 死亡课程节选

Here is the cell body up at the top of the diagram here.

图表上部画的是细胞体

耶鲁公开课 - 生物医学工程探索课程节选

So the body adds up and the world reminds you of the body's limits, although it can be surprisingly kind.

NPR: Excerpt: 'The Importance of Music to Girls'

OrganOx can keep a liver healthy outside the body for up to 24 hours.

FORBES: New Device Keeps Liver Alive Outside Body

We think the disease could be in the body for up to 15 to 20 years.

BBC: 'I'm lucky to have survived pancreatic cancer'