| 单词 | to sit up straight |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔SIT〕Cadets here are taught to always dress neatly and to sit up straight. 这里的学员被训练一定要穿戴整齐、坐姿端正。朗文写作活用〔lean〕I'm being very careful to sit up straight and not lean too far to the right or left.我现在非常注意要坐得笔挺, 不东倒西歪。外研社新世纪 |
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