the northern frontier defence
the northern frontier defence
北方边防
以上为机器翻译结果，长、整句建议使用 人工翻译 。
-
The other hand, Hebei frontier defence construction caught in a dilemma after the sign of Chanyuan alliance, this forced Northern Song Dynasity very carefully.
另一方面，澶渊之盟的订立使北宋河北边防建设处于两难境地，不得不倍极小心。
youdao
更多双语例句