| 正面 | 10903.reciprocal 英 [rɪ'sɪprək(ə)l]美 [rɪ'sɪprəkl]     |
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| 背面 |     释义： 1、re- "again" + de- "out" + sign-.adj. 互惠的；相互的；倒数的，彼此相反的n. [数] 倒数；互相起作用的事物 例句： 1. They expected a reciprocal gesture before more hostages could be freed.在更多人质获得自由之前他们期望看到对方也有相应的表示。 reciprocal 互惠的，互利的来自拉丁语 reciprocus,轮流的，往返的，来自*reco-proco,来来往往，来自 re-,向后，pro-,往 前，-cus,形容词后缀。引申词义互惠的，互利的。 reciprocalreciprocal: [16] English adapted reciprocal from Latin reciprocus ‘alternating’. This was a compound adjective based ultimately on the elements re- ‘back, backwards’ and prō- ‘for, forwards’.reciprocal (adj.)1560s, with -al (1) + stem of Latin reciprocus "returning the same way, alternating," from pre-Latin *reco-proco-, from *recus (from re- "back;" see re-, + -cus, adjective formation) + *procus (from pro- "forward;" see pro-, + -cus. Related: Reciprocally. The noun meaning "that which is reciprocal" (to another) is from 1560s." |