I'm sorry to hear that, so you might know that it's a very toxic substance, but you might not know that it's a very simple molecule with an unpronouncable name: it's called chlorobenzalmalononitrile.
我感到很抱歉， 你可能知道那是一个致命的物质 但是你可能不知道它是个很简单的分子 有一个读不出来的名字 它叫 “chlorobenzalmalononitrile"