| 正面 | 3087.maintenance 英 ['meɪnt(ə)nəns; -tɪn-]美 ['mentənəns]     |
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| 背面 |      释义： 1. man- / manu- => main- + ten- + -ance.2. => hold in the hand, keep in the hand.3. => practice habitually, practice continually; keep (a wife), sustain; keep oneself, support, defend in speech.4. maintain => maintenance.n. 维护，维修；保持；生活费用 例句： 1. In the future the machines will need spare parts and maintenance.这些机器将来会需要备件和维修保养。 maintenance 维持，保持来自maintain的名词形式。 maintenance (n.)mid-14c., "bearing, deportment," from Old French maintenance "upkeep; shelter, protection,: from maintenir (see maintain). Meaning "action of upholding or keeping in being" is from early 15c. "Action of providing a person with the necessities of life" is from late 14c." |