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"Vietnam is rich in bamboo rats, I did hear some veteran comrades who took part in the 79-year border counterattack say that, It is said that many wounded and sick people did not have time to withdraw from their positions and were bitten or even killed by bamboo rats. This has happened to both the Vietnamese army and our side. Moreover, bamboo rats also like to go out collectively to eat the bodies left over from the battlefield. Is it because swarms of bamboo rats attacked position 142? However, the size of bamboo rats is not large, so it seems a little inappropriate to say that they are "big rats". "I went on to ask.空巢老人——老侯的退休生活一个有趣片段。老侯退休在家，住在离市中心较远的生活社区。儿子侯飞因为工作原因不能常来看望他。新社区里很多人家都在养狗，而老侯则是个不喜欢狗的人，处处躲避着与狗的正面接触。可是偏偏机缘巧合，一次老侯在散步时突然心脏病发，被一只流浪狗发现，并被人们及时送到医院。老侯与流浪狗不得不生活在一起，给它起名叫“伴儿”。在与“伴儿”的相处中，老侯逐渐发现他对狗也没有想象中那么反感，而且因为“伴儿”，老侯变得开朗了，认识了新朋友，并与住在对门但从未走动过的退休护士——诸葛迎春相互产生了好感。儿子侯飞也因为“伴儿”的到来，与老侯逐渐消除了父子间的隔阂。但就在这时，“伴儿”的主人找来了……因为“伴儿”的去留问题，又发生了很多意想不到的故事，笑料百出。另一边，住在华丽的王都、被人民爱戴着的歌姬·菲妮丝。她虽然作为某位将要继承王位的王子的王妃候补，却在被重重墙壁包围的深宫中孤独度日。《魔女的法庭》描述为了胜诉赴汤蹈火的魔女检察官（郑丽媛饰演），在顺遂的升职路上因为意外事件，被迫调任女性儿童犯罪专任检察官后发生的故事。"Hearing the captain's words, Xiang Lishan immediately picked up a fish knife and was ready to stab Song Guochun. Liu Guiduo didn't give in and said, 'Don't stab, you two tie up and throw it down.'小龙女横了他一眼，伸手一拉，直接合上棺盖，然后衣袖一挥，大厅内油灯尽灭，一片漆黑。Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows: