Uttering this exclamation in a tone of great surprise, as his eyes rested on Oliver, Mr. Toby Crackit brought himself into a sitting posture, and demanded who that was.

扎比格拉基特先生以颇感意外的口气发出这一番感叹，目光落到了奥立弗身上，他翻身坐起来，问那是什么人。

youdao

Sitting at a desk all day also puts you at risk of back pain, particularly if you sit with poor posture, leg cramps, tense muscles and, of course, boredom.

整天坐在桌前也让你有背痛的风险，尤其是当你坐姿不良，腿抽筋，肌肉紧张还有无聊时。

youdao

It was least pronounced with the 135-degree posture, suggesting less strain is placed on the spinal disks and associated muscles and tendons in a more relaxed sitting position.

而在135度坐姿时，移动最小，说明这时候脊椎所承受的拉力较少，相关肌腱处于较为放松的状态。

youdao

I think even if you're in a chair, and you're sitting up straight with good posture, maybe hands on knees.

哪怕只是坐在椅子上，坐直并保持良好姿势，也许双手放在两膝上。

普林斯顿公开课 - 人性课程节选

"Really it's just sitting in a quiet posture that's comfortable, closing your eyes and watching your breath, " she said.

WSJ: Doctor's Orders: 20 Minutes Of Meditation Twice a Day