break back的用法和样例：
例句
- The next ball broke back, the player missed it and was out.
第二个球突然变了方向弹起来; 击球手没有击中就出局了。
词汇搭配
- break the camel's back 使顶不住
- break the back of something 完成某事最艰巨部分...
- break one's back 拼命干
- break the back of 完成最困难的部分...
- break someone's back 折断某人的背脊骨...
