上挺 meaning in English

jerk

The study of comparing female split jerk with drop jerk in dynamics
女子箭步式上挺和下蹲式上挺的动力学比较研究
But now connie was thin and earthy - looking , with a scraggy , yellowish neck , that stuck out of her jumper
但是现在呢，康，妮瘦了，颜容惨淡，她的颈项从胸衣上挺出来，又瘦又带点黄色。
The service was generally pretty good ? the 8 ) staff were extremely welcoming , and the waitresses were always there to serve you
服务总体上挺好工作人员及其友善，服务小姐常于左近伺候。
If you like college sports , get it for your wall , but don ' t waste big bucks if you want a playable guitar
如果你喜欢大学体育项目什么的，买一把挂墙上挺漂亮，但是要想买一把真正能用于演奏的吉他，就别在这东西上浪费钱了。