ripen
v. (使)成熟;时机成熟,条件成熟
例句
I'm waiting for the apples to ripen.
我在等这些苹果成熟。
《柯林斯英汉双解大词典》
This helps to ripen new growth and makes it flower profusely.
这有助于新植物成熟并且开出繁茂的花朵。
They've got fruit retailing down to a fine art. You can be sure that your pears will ripen in day.
他们精于水果零售之道。你可以放心,你那些梨一天之内就会熟。