| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ˈsit-ˌup, n. [countable]- Medicine, Sportan exercise in which a person lies flat on the back, lifts the upper body to a sitting position, and then lies flat again without changing the position of the legs.
WordReference Random House Unabridged Dictionary of American English © 2024sit-up (sit′up′),USA pronunciation n. - Medicine, Sportan exercise in which a person lies flat on the back, lifts the torso to a sitting position, and then lies flat again without changing the position of the legs: formerly done with the legs straight but now usually done with the knees bent.
- noun, nominal use of verb, verbal phrase sit up 1835–45
|