retentive faculty记忆力
retentive alloy硬磁性合金
retentive arm固位臂;辅助稳定臂
retentive e保留的;有记忆力的;保持既
Annually Retentive原名
ADJ（形容词） If you have a retentive memory, you are able to remember things very well. 记忆力强的; 记性好的 [usu ADJ n]
Luke had an amazingly retentive memory.
卢克记忆力惊人。