Frontier
[ frʌn'tɪr ]
第2级
其它 Other
n. 边疆，边境;边界，边缘;尚待开发的领域;
adj. 边疆的，边界的;新垦地的，边地的;开拓的;
💡 词根助记
front前面+ier表名词，人或物 →边疆，边境
📝 例句
Professor Field is devoted to the exploration of the frontiers of medicine.
菲尔德教授致力于探索医学研究的新领域。
Great news is stirring. They say the French have crossed the frontier.
消息紧得很，听说法国军队已经过了边境了。
In the meantime, the miners suffered defeats on another frontier, Colorado.
在此期间，矿工在另外的边界地区科罗拉遭到失败。
Slipping past the frontier towns, they were scalping and killing whole families.
他们窜过边界上的村镇，剥人头皮，把一家一家人杀死。
The art troupe is always on the move in frontier guards.
文工团常年在边防部队流动。
🌱 联想助记
【记】※ front-前面,I-我,er-拼音“儿”:我儿子站在边境前面
※ frontier-边境,front-前沿:国家的边境往往是战斗的前沿
※ fr-拼音“夫人”,on-上,tie-拼音“铁”,r-拼音“人”:夫人站在上面看见铁人在边界
✅ 同义词
🔤 词根
-er表示主动执行的人或物
常见的变体有ier、yer、eur、eer
📖 牛津释义
frontier
n
1 [C]
(a) ~ (between sth and sth); ~ (with sth) border between two countries 国界; 边界
the frontier between Austria and Hungary 奥地利和匈牙利之间的边界.
(b) land on either side of such a border 边疆; 边陲; 边境; 国境
[attrib 作定语]
a frontier zone 边境地带
a frontier town 边疆城镇
frontier disputes 边界争端.
2 the frontier [sing]
(esp US) extreme limit of settled land, beyond which the country is wild and undeveloped 已开发地区的边缘地带
Beyond the frontier lay very real dangers. 在开发地区以外十分危险.
3 the frontiers [pl]
extreme limit, esp of knowledge about sth 极限（尤指有关某事物的知识的）; 尖端; 边缘
advance the frontiers of science 拓展科学的领域
teach near the frontiers of one's subject, ie give recently discovered information 讲授个人专业领域的新知识. =>Usage at border 用法见border.
🎯 考研助记
国土最前面(front)的地方(er)是 国界
🔁 扩展释义
*['frʌntjә]n. 边界, 边境【法】 国境, 边境, 边界
🌿 同词根单词
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
Thanks very much. Bye.
太谢谢你了。再见。
It was orange and blue.
鱼身呈橙蓝色。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。