break-back的用法和样例：
例句
- Animals, after many crossbreedings, cry back.
动物在多次杂交之后，往往出现返祖现象。 - Specifically, contrary to classic Mendel, a certain research plant can revert back to its original grandparents after breeding.
具体而言，和孟氏观点相反，某种植物在经过培养之后可以出现返祖现象。
词汇搭配
- break back 突然反向行进扰乱对方...
- 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...
