ripen

/ˈraɪpən/
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When crops ripen or when the sun ripens them, they become ripe. (指庄稼) 成熟

verb [vt. 及物动词] (使)成熟;时机成熟,条件成熟

I'm waiting for the apples to ripen. 我在等这些苹果成熟。

来自ripe(adj. 熟的; 成熟的)
单词造句:
网友用 “Ripen” 造句精选
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。