non-blocking

例句：

1. 1. The new software is non-blocking and can handle multiple users simultaneously.
   这款新软件是无阻塞的，可以同时处理多个用户。
2. 2. The road was blocked by a large truck, so we had to find an alternative route.
   一条大卡车堵住了路，所以我们不得不找另一条路。
3. 3. The project was non-blocking, allowing for smooth progress despite the challenges.
   这个项目没有阻碍，尽管有挑战，进展还是顺利的。