frontier [ˈfrʌntɪə(r)]

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单词级别

第5级

基本释义

n.国境，边境；尚待开发的领域

英英释义

a border between two countries , or ( especially in the past in the United States ) a border between land used to grow crops where people live and wild land

参考例句

The frontier station was starved for food and water. 边防站急需食物和水。
Areas near the frontier were rough and lawless in the old days. 过去边远地区混乱不堪，而且没有法律。

frontier [ˈfrʌntɪə(r)]

单词级别

基本释义

英英释义

参考例句

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