英语词汇“frontier”的释义、区别辨析及用法例句-英语同义词词典

单词	frontier
例句	frontier noun •the lakes sit astride the U.S.-Canadian frontier:border, boundary, borderline, dividing line, demarcation line \| perimeter, limit, edge, rim, bounds.
随便看	opiate opine opinion opinionated opponent opportune opportunism opportunity oppose opposed opposing opposite opposition oppress oppressed oppression oppressive oppressor opprobrious opprobrium opt optimism optimistic optimum option

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