Question

retention n. 保留，保持 retention (n.) late 14c., from Latin retentionem (nominative retentio) "a retaining, a holding back," noun of action from past participle stem of retinere (see retain). Originally medical; mental sense is from late 15c. 【记】retain 的名词；类似的还有 sustain - sustention【相关】以tention结尾的词：abstention 节制，attention 注意，contention 争夺, 争论, detention 拘留,distention 延伸，intention 意图, retention 保持力， sustention 支撑, 支持

Accepted Answer

[ri'tenʃən] 【英】 n. 保留，保持(the act of keeping in possession or use)【记】 re(重新)+tent(拿住) +ion→重新拿住→保留【例】 As an aid to memory retention, I copied my notes again after class. 无

单词	retention
音标	[ri'tenʃən]
解释	n. 保留，保持
红宝书	【英】 n. 保留，保持(the act of keeping in possession or use) 【记】 re(重新)+tent(拿住) +ion→重新拿住→保留【例】 As an aid to memory retention, I copied my notes again after class.
字源	retention (n.) late 14c., from Latin retentionem (nominative retentio) "a retaining, a holding back," noun of action from past participle stem of retinere (see retain). Originally medical; mental sense is from late 15c.
不择手段背单词	无
趣味全助记	【记】retain 的名词；类似的还有 sustain - sustention 【相关】以tention结尾的词：abstention 节制，attention 注意，contention 争夺, 争论, detention 拘留,distention 延伸，intention 意图, retention 保持力， sustention 支撑, 支持

Retention N Late Sustention Ri'tenʃən 保留，保持 英 保留，保持(The

Retention N Late Sustention Ri'tenʃən 保留，保持英保留，保持(The