- 释义：
- v. 更新，使现代化
- 例句：
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They decided to update the computer systems.
他们决定更新计算机设备.
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Airlines would prefer to update rather than retrain crews.
航空公司更愿意换新员工而不是对旧员工重新进行培训。
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A second study was performed in 1973 to update the original report.
1973年人们进行了第二次研究,以修正最初的报告.
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