grindern.
英 'graɪndə | 美 'ɡraɪndɚ
中文n. [机] 研磨机；研磨者；磨工；臼齿\nn. (Grinder)人名；(瑞典)格林德
[机] 研磨机；研磨者；磨工；臼齿
n. (Grinder)人名；(瑞典)格林德
词根词源
grinder (n.)Old English grindere "one who grinds (grain);" agent noun from grind (v.). Meaning "molar tooth" is late 14c. (Old English had grindetoð). Meaning "machine for milling" is from 1660s; of persons, from late 15c. "Large sandwich" sense is from 1954, American English, though the exact signification is uncertain (perhaps from the amount of chewing required to eat one).
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