知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 place the cat bowl inside a 2nd bowl that has a 2cm water barrier and they'll not contact it Reply Agent Honey Kitty March 22, 2019 I had this problem for no lower than 5 times, soon after quite a bit of research and the sole deterrent of all th