frontier
柯林斯词典
1. N-COUNT When you are talking about the western part of America before the twentieth century, you use frontier to refer to the area beyond the part settled by Europeans. (20世紀前美國) 西部邊疆
...a far-flung outpost on the frontier. …遠駐西部邊疆的一個哨所。
2. N-COUNT Thefrontiers of something, especially knowledge, are the limits to which it extends. (尤指知識的) 前沿
...pushing back the frontiers of science. …推進科學前沿。
3. N-COUNT A frontier is a border between two countries. 國界
It wasn't difficult then to cross the frontier. 那時候穿越國界竝不難。
返回 frontier
frontier /ˈfrʌntɪə, frɒn-/ (frontiers)
剑桥词典
- C2 [ 可數名詞：有複數形式的名詞 ]
- The frontier is patrolled by border guards .
- At the frontier, there were people pestering tourists for cigarettes , food or alcohol .
- Two armed men were caught trying to cross the frontier at night .
- Air pollution is no respecter of national frontiers.
- The president pledged to respect the existing frontiers between the two countries .
a border between two countries
國境，邊境
Some of the frontier between Germany and Poland follows the course of the river Oder. 德國與波蘭的部分邊界是沿奧德河劃分的。
Nepal has frontiers with both India and China . 尼泊爾與中國和印度都接壤。
They lived in a town close to the frontier. 他們居住在一個離邊界很近的城鎮。
[ 單數名詞 ]
the western US where settlers began to move to live in the 19th century
（十九世紀時定居者開始搬入竝居住的美國西部）前沿地帶
The Homestead Act of 1862 gave free land to pioneers who settled the frontier. 1862年的《宅地法》免費把土地給予到西部前沿地區定居的先敺者。
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