| 正面 | 7831.drainage 英 ['dreɪnɪdʒ]美 ['drenɪdʒ]     |
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| 背面 |      释义： 1. excel / excellent => cell- / -cel "rise, be high, rise high" (Latin cellere (pp. celsus) "rise, be high"), cognate with Latin collis "hill", English hill, column, culminate.2. => hill, cul- "hill, top, peak, summit", col- "pillar, column, projecting object".3. => cul- + -men- / -min- "passive suffix" => culmen / culmin- "hill, top, peak, summit".4. Latin culmen (genitive culminis) "top, peak, summit".5. => col- + -umn (-omen-在此单词中的变体) (与单词 alumnus 类同，进行对照理解和记忆) => column "pillar, column, projecting object".6. culmin- "hill, top, peak, summit" + -ate => culminate.n. 排水；排水系统；污水；排水面积 例句： 1. This is a drainage area.这里是排水区. drainage (n.)1650s, from drain + -age." |