protracted withdrawal持续戒断
protracted descent胎头下降停滞
protracted inflation[经] 经常性通货膨胀;经常性通货膨胀
protracted exposure延时照射
Protracted negotiations旷日持久的谈判
protracted treatment翻译
long protracted逗留的
endless protracted尾巴工程
protracted experience长期经验
ADJ（形容词） Something, usually something unpleasant, that is protracted lasts a long time, especially longer than usual or longer than you hoped. 拖拉的 [正式]
However, after protracted negotiations Ogden got the deal he wanted.
然而，经过拖拉的谈判，奥格登还是得到了他想要的那笔交易。