第三人称单数： ripens
过去式： ripened
过去分词： ripened
现在分词： ripening

Ethylene is a plant hormone that can cause some foods to ripen too quickly .

乙烯是一种植物激素，能够导致一些食物成熟太快。

These kinds of fruit do not need any help from an apple -- they release enough ethylene to ripen themselves .

这类水果不需要苹果帮忙，它们能够释放足够多的乙烯使自身成熟。

Into the " apple town " - qingcheng county rural red , apple bending the branches heavy , bright red color make people envious , cuisheng raw sweet refreshing , with names registered " sincere " brand apples ripen .

走进“苹果之乡”庆城县赤城乡，沉甸甸的苹果压弯了枝头，红彤彤的色彩让人眼馋，脆生生的香甜沁人心脾，用地名注册的“赤诚”牌苹果熟了。

The spirit of the brazilian singer lives on mostly in the jewels , which ripen like exotic fruits in the workshops of the big maisons .

这位来自巴西灵魂歌手靠着在一堆看上去像是在自家大工坊里成熟的异国水果般的珠宝谋生。

The grapes are hardy and grow in big bunches , but they sometimes ripen unevenly and can contain a high amount of sugar .

这种葡萄耐寒，生长的时候结成一大串簇拥在一起，但有时它们成熟的快慢不一样，而且糖分的含量会很高。