n.车缧纹；穿线；线程
动词thread的现在分词形式.
The Looper Thread Take-up can make it up and down for threading easy. 升降式底线分线盘，使穿线更容易。
Here's a peek into the Zen of threading for game developers. 本文将讲述游戏线程化的开发者之禅。
Threading is a technique for decoupling tasks which are not sequentially dependent. 线程是一个分离无顺序依赖关系任务的技术。
不穿过, 不插入
n.多线程；多线索
