late 14c., from Latin retentionem (nominative retentio) "a retaining, a holding back," noun of action from past participle stem of retinere (see retain). Originally medical; mental sense is from late 15c.
实用例句
1. He argues strongly for retention of NATO as a guarantee of peace.
他强烈要求保留北大西洋公约组织以维护和平。
来自柯林斯例句
2. They supported the retention of a strong central government.
他们赞成保留一个强大的中央政府。
来自柯林斯例句
3. The company needs to improve its training and retention of staff.
公司需要改进对员工的培训和留用工作。
来自《权威词典》
4. They advocate the retention of our nuclear power plants.
他们主张保留我们的核电厂.
来自《简明英汉词典》
5. RETENTION parameter works best if the current undo tablespace has enough space for the active transactions.
