front and rear的用法和样例：
例句
用作副词 (adv.)
- The contrast between the war front and the back area is always startling.
战争时期，前后方的对比总是非常悬殊的。 - Bai Xianyong's Quagmire and Breakthrough before and after He Moved to the U. S.
白先勇赴美前后的困境与突破。
词汇搭配
- front and rear 在前后
