Meaning they release ethylene gas as they mature—and the gas in turn accelerates ripening.

这其中奥妙在于随着这些熟会释放乙烯，而乙烯反过来会加速熟。

We used to ripen tomatoes this way in Italy, where I was born.

在我家乡，意大利，人们习惯这样催熟番茄。

If there are no strawberries left, you must wait for more to ripen.

如没有草莓了，你一定要等到有更多草莓熟了才去。

It takes time for a tomato to ripen, and sunshine.

番茄熟需要时间，也需要阳光。

A ripen truffle gives off a distinct scent that the dogs can track.

熟松露散发一种独特气味，狗可以追踪到。

Farmers in Florida used kerosene lamps to ripen oranges.

佛罗里达州农民使用煤灯使橙子熟。

But she was dismayed to discover that she herself had ripened considerably.

但是她很沮丧地发现她自己显然胖了许多。

" I am the sunlight on ripened grain."

" 我是照耀在金色麦芒上光。"

It usually takes avocado 7 days to ripen.

通常需要7天才能熟。

This is where the watermelon sat on the ground while it ripened.

这是西瓜熟时放在地上而形。

This variety can be shipped to countries around the world without ripening too quickly.

这种品种熟慢可以运送到世界各国。

It's a gas that causes fruits and vegetables to ripen.

它是一种能使水和蔬菜熟气体。

My pudgy cheeks are like ripened apples, such as my cheery face.

我两颗突苹肌仿佛熟透冬枣，构我可爱面容。

Winter-sown crops like barley and millet quickly ripen in the strong sun.

大麦和小米等冬季播种作物在强烈阳光下迅速熟。

Forests, fields full of fully ripened grains, and picturesque farmhouses are all still there.

森林，还有硕累累田野以及风景如画农舍都依然存在。

But be aware that hard pawpaws picked too early will not fully ripen once picked.

但要注意，过早采摘硬木瓜一旦采摘就不会完全熟了。

For example, when fruits start to ripen, they release a chemical called ethylene.

例如，当水开始熟时，它们会释放一种叫做乙烯化学物质。

It has been ten years since China's currency ripened into a big international controversy.

自人民币卷入巨大国际争论以来，已走过10个春秋。

I stayed quietly in the tree until I ripened and fell by myself.

我静静地待在树上，直到自己熟掉下来。

Ancient Egyptians would ripen their figs by cutting open a few in every bunch.

古埃及人会通过切开一些花束让无花熟。