fetal position
noun [ S ] uk/ˈfiː.təl pəˌzɪʃ.ən/ us/ˈfiː.t̬əl pəˌzɪʃ.ən/ (UK also foetal position)
胎位
a position in which someone lies in a curved shape with legs and arms bent and close to the body
He was curled up in a fetal position on the floor, sobbing. 他用胎儿一样的姿势蜷缩在地板上，抽泣着。