| 正面 | 2742.retain 英 [rɪ'teɪn]美 [rɪ'ten]     |
|---|---|
| 背面 |      释义： 1. re- "back" + -tain.2. => hold back, keep back.3. => continue keeping, keep possession of, keep in the mind.4. => keep (another) attached to one's person, keep in service.vt. 保持；雇；记住 例句： 1. Daily facial exercises help her to retain the skin's elasticity.每天做面部运动帮助她保持皮肤弹性。 retain 保留，保持re-,向后，往回，-tain,保持，词源同 contain,tenure. retain (v.)late 14c., "hold back, restrain;" c. 1400, "continue keeping, keep possession of," from Old French retenir "keep, retain; take into feudal service; hold back; remember" (12c.), from Latin retinere "hold back, keep back, detain, restrain," from re- "back" (see re-) + tenere "to hold" (see tenet). Meaning "keep (another) attached to one's person, keep in service" is from mid-15c.; specifically of lawyers from 1540s. Meaning "keep in the mind" is from c. 1500. Related: Retained; retaining." |