plains
n.
of the American Midwest, 1755 (in singular form from 1680s), see plain, n.. Plains Indian attested from 1844.
| 词汇 | plains | 
| 词根词缀 | Online Etymology Dictionary plains n. of the American Midwest, 1755 (in singular form from 1680s), see plain, n.. Plains Indian attested from 1844. | 
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