Darwin made the deduction that there had to be a moth there with the beak long enough to reach the end of nectary.

达尔文推理说一定有一种蛾子喙很长，到蜜。

So it's generated by glands, nectaries inside the flowers.

因此，它是由花内部的体，即蜜产生的。

The plants which produced flowers with the largest glands or nectaries, excreting most nectar, would oftenest be visited by insects, and would oftenest be crossed; and so in the long-run would gain the upper hand and form a local variety.

开花的植物有最大的体或蜜， 分泌最多的花蜜， 最常被昆虫光顾， 也最常杂交；因此，从长远来看， 它们将风并形成本地品种。

Like, organs called nectaries evolved, which delivered tasty nectar rewards to pollinators - these were a new take on the old pollination drops of gymnosperms.

就像， 名为蜜的器官进化出来了，它们向传粉者提供了美味的花蜜奖励——这些是裸子植物旧有授粉滴的一种新形式。

When the colour is absent from only one of the two upper petals, the nectary is not quite aborted but is much shortened.

当两个部花瓣中只有一个没有颜色时， 蜜并没有完全流产， 而是大大缩短了。