dispensable词根分析（每日一词根RADRAS）

dispensable词根分析（每日一词根RADRAS）COLLINS: N erosion of a rock surface by rock fragments transported over it by water wind or ice 岩石侵蚀 corrasion [kə'reʒən] <cor/con = together> <ras = to scrape> n. 侵蚀（作用），磨蚀（作用） 词义同corrosion COLLINS: V-T To abrade something means to scrape or wear down its surface by rubbing it. 磨损 [正式]拓展: abrase(为abrade变形) abrasion [ə'breʒən] n. 磨损；磨耗；擦伤 abrasive [ə'bresɪv] adj. 粗糙的；有研磨作用的；伤人感情的 n.

RAD/RAS comes from the Latin Words radere "to scrape"(刮，擦) and rasus (radere的过去分词) 变体形式RAZ. From PIE root *red- ; 注: ROD/ROS也是来源于此印欧词源 详细参考链接: ROD/ROS

思维导图

与RAD/RAS相关的词汇:

abrade[ə'bred] <ab = off><rad = to scrape> to scrape off shave away vt 磨掉 擦伤; vi. 经受磨损；受擦伤

COLLINS: V-T To abrade something means to scrape or wear down its surface by rubbing it. 磨损 [正式]

拓展: abrase(为abrade变形) abrasion [ə'breʒən] n. 磨损；磨耗；擦伤 abrasive [ə'bresɪv] adj. 粗糙的；有研磨作用的；伤人感情的 n. 研磨料

e.g. My skin was abraded and very tender. 我的皮肤被擦伤了，非常敏感.

corrasion [kə'reʒən] <cor/con = together> <ras = to scrape> n. 侵蚀（作用），磨蚀（作用） 词义同corrosion

COLLINS: N erosion of a rock surface by rock fragments transported over it by water wind or ice 岩石侵蚀

erase [ɪ'res] <e/ex = out> <ras = scrape> vt. 抹去；擦除 vi. 被擦去，被抹掉

COLLINS: V-T If you erase a thought or feeling you destroy it completely so that you can no longer remember something or no longer feel a particular emotion. 抹去; 消除; V-T If you erase sound that has been recorded on a tape or information which has been stored in a computer you completely remove or destroy it. 抹掉; 删除; V-T If you erase something such as writing or a mark you remove it usually by rubbing it with a cloth. 擦掉 (字迹)

拓展: eraser [ɪ'resɚ] n. 橡皮；擦除器；[计] 清除器

rase/raze [reɪz] vt. 消除（记忆等）；破坏

COLLINS: V-T If buildings villages or towns are razed or razed to the ground they are completely destroyed. 使(建筑、村庄或城镇)夷为平地; 彻底摧毁 [usu passive]

e.g. Cities such as Berlin and Dresden were virtually razed to the ground. 诸如柏林和德累斯顿这样的城市基本上被夷为平地.

rasp [ræsp] vt. 用粗锉刀锉；粗声粗气地说 vi. 锉磨；用粗嘎的嗓门说 n. [机] 粗锉刀；锉磨声；刺耳声

注: 此词词源不来源于拉丁语 来自Old French rasper(to grate; rasp) 与raffle同源 来自Proto-Germanic *khrap- 放在此处只是为了方便记忆.

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