1 . A "frontier -free" Europe implies a greatly increased market for all economic operators.

“無國界的”歐洲對所有經營者來說都意味著一個大大擴展了的市場。

2 . Until very recently Texas was an unsettled frontier .

就在沒多久之前，得克薩斯州還是一個荒無人煙的邊遠地區。

3 . the frontier between the land of the Saxons and that of the Danes

撒克遜人土地和古斯堪的納維亞人土地的邊界

來自《權威詞典》

4 . There were very few border controls on the southwestern frontier .

西南國界上沒幾個邊境檢查站.

來自《簡明英漢詞典》

5 . The frontier station was starved for food and water.

邊防站急需食物和水.

來自《簡明英漢詞典》

frontier相關短語搭配

1 . 前沿軌道

frontal chromatography 迎頭層析（法）frontier orbital 前沿軌道frozen embryo transfer 冰凍胚胎轉移

1 . 邊界點

frontier connection 邊境接合點frontier point 邊界點frontier 邊境

1 . 關境

3、關境(Customs frontier) 是指海關征收關稅及實施海關法規的管轄區域,也稱關稅領域。關境與國境之間的關系:關境等于國境關境小于國境關境大于國境二、關稅的特點 1.

1 . 邊境貿易

barter trade 易貨貿易frontier trade 邊境貿易trade agreement 交易協議