首页 汉语字典汉语词典成语大全英语词典诗词名句 诗人

reckonern.

'rɛkənɚ
中文n. 计算手册;计算者;清算人
词根词源
reckoner (n.)early 13c., agent noun from reckon. Especially "book of tables used in calculation," often known as a ready reckoner.
关键词
reckoner