sit-up

基本解釋

5Swiss ball sit-up This is more challenging than a normal sit-up because the instability of the ball forces the core muscles to work harder.
5健身球仰臥起坐該動作比普通的仰臥起坐更具挑戰(zhàn)性。因為健身球自身所具備的不穩(wěn)定性迫使肌肉工作的壓力加大。
If all goes well, 6, 000 navy blue, three-speed, sit-up-and-beg bikes with an inbuilt lighting system will be whizzing around the capital's streets next summer.
如果一切順利，明年夏天將有6000輛有內(nèi)置照明系統(tǒng)的深藍色三速折疊式自行車呼嘯在倫敦的大街小巷。
Which is supported by a structure too expansive for a sit-up.
這由仰臥起坐結(jié)構(gòu)支撐起來太大。

He jumped from table to table, eating standing up--he didn't like to sit down very much, his back hurt--; or walking around.
在不同的桌子間竄來竄去,站著吃東西,他不怎么喜歡坐著,因為長年背痛,或者在宴席間四處走動
耶魯公開課 - 歐洲文明課程節(jié)選
You can see them in the sopranos and altos up there and they just sit there on that pitch--a long note: one, two, three, four.
你可以在高音與中音區(qū)看到他們,而且他們一直留在那個音高上,一個長音符,一,二,三,四
耶魯公開課 - 聆聽音樂課程節(jié)選

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Sit-ups are exercises that you do to strengthen your stomach muscles. They involve sitting up from a lying position while keeping your legs straight on the floor.