re·ten·tion /rɪˈtɛn(t)ʃən/
保留,保持
re·ten·tion /rɪˈtɛnʧən/ 名詞
停滯,貯留,保留,記憶,固定
retention
保留 保持
Re·ten·tion n.
1. The act of retaining, or the state of being ratined.
2. The power of retaining; retentiveness.
No woman's heart
So big, to hold so much; they lack retention. --Shak.
3. That which contains something, as a tablet; a ░░░░ of preserving impressions. [R.]
4. The act of withholding; retraint; reserve.
5. Place of custody or confinement.
6. Law The right of withholding a debt, or of retaining property until a debt due to the person claiming the right be duly paid; a lien.
Retention cyst Med., a cyst produced by obstruction of a duct leading from a secreting organ and the consequent retention of the natural secretions.
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retention
n 1: the act of keeping in your possession [syn: keeping, holding]
2: the power of retaining and recalling past experience; "he
had a good memory when he was younger" [syn: memory, retentiveness]
3: the power of retaining liquid; "moisture retentivity of
soil" [syn: retentiveness, retentivity]