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helphelp.helphelp.helphelp.retainKK:[ri''ten]DJ:[ri''tein]vt.1.保留,保持Sheretainsaclearmemoryofherschoold

help help.
help help.

help help.
retain
KK:[ri'ten]
DJ:[ri'tein]
vt.
1. 保留,保持
She retains a clear memory of her school days.
她对自己的学生时代有着清晰的记忆.
2. 留住;挡住,拦住
This vessel won't retain water.
这容器盛不住水.
3. 记住
Concentrated study will help you to retain knowledge.
专心学习有助于你记住知识.
4. 聘,雇
He retained the best lawyer in the state.
他聘请了该州最好的律师.

vt:保持,保留