racket: n. 球拍 a device consisting of an oval frame with a tightly interlaced network of strings and a handle | radar: n. 雷達 measuring instrument to detect distant objects by microwave |
radiant: a. 發光的,榮光煥發的 brilliant; obviously very happy, or very beautiful | radical: a. 根本的,激進的 drastic; extreme; arising from or going to a root or source; basic |
radius: n. 半徑,半徑範圍 a right line drawn or extending from the center of a circle to the periphery | raft: n. 筏,救生艇 a flat float made of logs or planks; a large number or amount or extent |
ragged: a. 襤褸的,破爛的 torn; worn; having an irregular surface or edge; uneven or jagged in outline | ragtime: n. 拉格泰姆音樂 music with a syncopated melody; musical form, predating jazz |
rail: v. 責罵,斥責,咆哮 scold; express objections or criticisms in bitter, harsh, or abusive language | rainbow: n. 彩虹 arc of colored light in the sky caused by the refraction of the sun's rays by rain |
rally: v. 復原,恢復,召集,集合 call up or summon; call together for a common purpose | rally: n. 集會 gathering, especially one intended to inspire enthusiasm for a cause; reassembling, of troops |
ranch: n. 農場,牧場 farm consisting of a large tract of land | rancher: n. 大農場經營者,牧場工人 one who owns or operates a ranch or farm |
ranching: n. 放牧的 farming for the raising of livestock | range: n. 行列,範圍 limits within which something can be effective; a variety of different things or activities |
rank: v. 擁有社會地位,佔據位置 hold a particular position in a social hierarchy; form or stand in a row or rows | rank: n. 排列,歸類 relative position in society; official position or grad; row, line, series, or range |
rapacious: a. 極度貪婪的,捕食的,掠奪的 excessively greedy; predatory; taking by force; plundering | rarely: ad. 很少地,罕有地 not often; in an unusual degree; exceptionally |
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