prolonged

長時間的、持續很久的、延續的

Prolonged exposure to loud noise can damage your hearing.

長時間暴露在噪音中會損害聽力。

漫長的、冗長的含貶義

After a prolonged silence, she finally answered the question.

經過一陣漫長的沉默後，她終於回答了那個問題。

延長、拖長prolong 的過去式與過去分詞

The strike prolonged the shortage of fresh vegetables in the city.

這場罷工延長了市內新鮮蔬菜短缺的時間。