| 词汇 | rapid |
| 词根词缀 | 词源： 1634, from L. rapidus "hasty, snatching," from rapere "hurry away, carry off, seize, plunder," from PIE base *rep- "to snatch" (cf. Gk. ereptomai "devour," harpazein "snatch away"). Rapids is 1765, from Fr. rapides, applied by Fr. voyagers to North American rivers. Rapid-transit first attested 1873; rapid eye movement is from 1916. 词根记忆： a. 快,急速的n.(pl.)急流,湍滩The stupid student rapidly studied the accident in the studio.愚蠢的学生在画室里快速研究了事故. |
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