retentionistn.保留者
retentionn.保留物;保存;保持(力);记忆力
retention of food in children小儿积滞
retention of records recorder记录的保管
Retention of sebaceous matter皮脂潴留
Retention of Phlegm and Fluids痰饮
retention diagenetic processes保持性成岩作用
retention of placenra fragment部分胎盘滞留
Retention Money to be Deducted应扣保留金额
retention and drainage proerty增强