retainKK:[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。
