body up的用法和樣例：
例句
- An exercise for strengthening arm muscles performed by lying face down with the palms on the floor, and pushing the body up and down with the arms.
俯卧撐鍛煉手臂肌肉的運動，運動時臉部朝下卧著並把手掌撐在地面上並且用胳膊推動身體上下運動 - The old busy body up the street is always gassing about to the neighbors.
街頭那個愛管閑事的老傢伙總是跟鄰居扯個沒完。
