ripening 是 ripen 的現在分詞ripenKK [ˋraɪpən] /ˈɹaɪpən/動詞1成熟、變熟These peaches will ripen in a few days on the windowsill.這些桃子放在窗台上幾天就會變熟。2使成熟、催熟Putting an apple in the bag helps ripen the bananas faster.在袋子裡放一顆蘋果可以讓香蕉熟得更快。3成熟、醞釀比喻Their friendship slowly ripened into something much deeper.他們的友誼慢慢發展成更深的感情。