| 词汇 | rational |
| 词根词缀 | 词源： late 14c., "endowed with reason," from L. rationalis "of or belonging to reason, reasonable," from ratio (gen. rationis) "reckoning, calculation, reason" (see ratio). Rationalist "physician whose treatment is based on reason" is from 1620s; applied to a philosophical doctrine 1640s. Rationalize is first recorded 1803, "to explain, to make reasonable;" in the psychological sense of "to give an explanation that conceals true motives" it dates from 1922. 词根记忆： a. 理性的,合理的The rational operator started a new era of opera cooperation in AD 2000.理性的操作者在公元2000年开创了一个歌剧合作的新时代. a. 合理的(通过计算的→合理的)[ral=calculate,表示"计算"] 词根词缀： rational rational a 合理的(通过计算的=合理的) ral=calculate,表示”计算” ration n 定量(计算出来的量) rational a 合理的(通过计算的=合理的) ratify v 证实(通过计算证实) |
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