| 释义 |
sit AHD[sĭt] D.J.[sɪt]K.K.[sɪt]sat[săt] sit.ting, sits sit up - To rise from lying down to a sitting position.坐起：从躺着的姿势起身坐着
- To sit with the spine erect.端坐：笔直地坐着
- To stay up later than the customary bedtime.熬夜：在习惯上的睡觉时间之后仍没有睡
- To become suddenly alert:忽然警觉：The students sat up when he mentioned the test.当他提到考试的时候，学生们忽然警觉起来
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