eighteenn.
英 eɪ'tiːn; 'eɪtiːn | 美 ,e'tin
中文n. 十八，十八个\nadj. 十八个的，十八的\nnum. 十八
十八，十八个
adj. 十八个的，十八的
num. 十八
词根词源
eighteen (n.)late 14c., eightene, earlier ahtene (c. 1200), from Old English eahtatiene, eahtatyne; see eight + -teen. Cognate with Old Frisian schtatine, Old Saxon ahtotian, Dutch achttien, Old High German ahtozehan, German achtzehn, Old Norse attjan, Swedish adertån.
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