ripen

v. /ˈraɪpən/ B2

成熟；变熟

To become ripe or to make something ripe.

仙境例句

The pears in the Queen's glass house must ripen by Sunday, or the gardener loses his head.

王后玻璃花房里的梨必须在星期天前成熟，不然园丁就要掉脑袋。