抢先: try to be the first to do sth.; anticipate; beat sb. to it; grab off; forstall; do sth. before others have a chance to 短语和例子抢先占领制高点 compete to occupy a commanding height; 刚一开会小高就抢先发言。 xiao
An operating system that supports preemptive multitasking creates the effect of simultaneous execution of multiple threads from multiple processes 支持抢先多任务处理的操作系统可以创建多个进程中的多个线程同时执行的效果。
