| 单词 | keep upright |
| 释义 | keep upright The unstable, wobbly surface means you work your deep tummy muscles to keep upright. The Sun A round-hulled craft requires a lot more skill to keep upright. Retrieved from Wikipedia CC BY-SA 3.0 Holding the barre (or a chair) with one hand for support, sink 10in down keeping upright with shoulders over hips and ears over shoulders. Times, Sunday Times The inflatables had to be kept upright with blasts from an air pipe. Times, Sunday Times Originally every seat in the 300-capacity hall was designed to recline but now those at the front are kept upright. Times, Sunday Times |
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