stray: vi.1.迷路，走失，失败。2.误入歧途，堕落；(议论)离题；(思想)迷失方向。3.仿徨，游荡，漂泊。短语和例子Be careful not to stray from [off] the right path of duty. 注意不要偏离应尽职责的正道。 Don't stray from the main point of the question. 不要离开问题的主要
A signal to a particular thread , whose program is not designed to handle it . the correct program response is to panic . stray signals are hard to debug 一个特定的线程的信号，但是它的程序不是被设计来处理它的。一个正确的程序应该会对该错误做出回应。迷失信号很难被调试。
