| 词汇 | senile |
| 词根词缀 | 词源： 1661, "suited to old age," from Fr. sénile, from L. senilis "of old age," from senex (gen. senis) "old, old man," from PIE base *sen- "old" (cf. Skt. sanah "old;" Avestan hana- "old;" O.Pers. hanata- "old age, lapse of time;" Armenian hin "old;" Gk. enos "old, of last year;" Lith. senas "old," senis "an old man;" Goth. sineigs "old" (used only of persons), sinistra "elder, senior;" O.N. sina "dry standing grass from the previous year;" O.Ir. sen, O.Welsh hen "old"). Meaning "weak or infirm from age" is first attested 1848. 词根记忆： a. 衰老的(sen+ile…的)[sen=old,表示"老"] a. 年老的(sen老+ile;参考:senior年长的,高年级的)[-ile①表形容词,"…的"②表名词,"物体"] 词根词缀： senile senile a 衰老的(sen+ile…的) sen=old,表示”老” senior a 年长的seniority n 年长(senior+ity) senile a 衰老的(sen+ile…的) senescence n 衰老,老朽(sen+escence开始…的状态=老的状态) senator n 参议员(sen+ator=老资格的人=参议员) senile a 年老的(sen老+ile,参考:senior年长的,高年级的) -ile (1) 表形容词,”…的” merchantile a 商人的(merchant商人) servile a 奴性的(serv服务+ile) juvenile a 青少年的(juven年轻+ile) fertile a 肥沃的(fert带有,繁殖+ile) infertile a 不毛的,不能生育的(in不+fertile) tortile a 扭弯的(tort扭曲+ile) ductife a 可塑的(duct引导+ile) volatile a 挥发的,易变的(volat 飞+ile,参考:volation鸟的飞行能力) senile a 年老的(sen老+ile,参考:senior年长的,高年级的) (2) 表名词,”物体” missile n 发射物,导弹(miss发送+ile) projectile n 抛射物(project投射) profile n 外形,轮廓(pro前面+file线条…前面的线条…轮廓) domicile n 住宅(domic家+ile) automobile n 汽车(auto自己+mob动+ile) |
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