ripen

动词

1. 1

   成熟、变熟

   These peaches will ripen in a few days on the windowsill.

   这些桃子放在窗台上几天就会变熟。

2. 2

   使成熟、催熟

   Putting an apple in the bag helps ripen the bananas faster.

   在袋子里放一颗苹果可以让香蕉熟得更快。

3. 3

   成熟、酝酿比喻

   Their friendship slowly ripened into something much deeper.

   他们的友谊慢慢发展成更深的感情。