v.
hold within
"This soil retains water"; "I retain this drug for a long time"
allow to remain in a place or position
"She retains a lawyer"
同义词：continuekeepkeep onkeep going
secure and keep for possible future use or application
"The landlord retained the security deposit"
同义词：holdkeep backhold back
keep in one's mind
"I cannot retain so much information"
Apparatus for retaining bone portions in a desired spatial relationship
Identification and behavior of label-retaining cells in epithelia
Organizational Learning: Creating, Retaining, and Transferring Knowledge
Effect of concentration of water-retaining agent on the growth of lettuce seedlings
Isolation,Identification and Water-retaining Effect of ZMN-3 From Desertified Soil
Key Parameters of Gob-Side Entry Retaining in A Gassy and Thin Coal Seam with Hard Roof
Label-retaining cells reside in the bulge area of pilosebaceous unit: Implications for follicular stem cells, hair cycle, and skin c...
Playing for keeps: a psychological measure of the probability of retaining a free agent in professional basketball
Coordinated Stability Study on Roof-roadside Support of Gob-side Entry Retaining in Fully-mechanized Gangue Backfilling Mining
Heterogeneity of Natural Foxp3⁺ T Cells: A Committed Regulatory T-Cell Lineage and an Uncommitted Minor Population Retaining Plasti...
