If you blow all of the seeds off in one breath, your wish will come true!

如果口气出走头状花序，愿望就能真！

When the heads open and rise up again, a great change is seen to have taken place.

当头状花序再次打开, 向上伸展时, 它们已经发生了巨大的变化。

In this way the little yellow flowers that form the head are kept safe and warm till finer weather comes.

, 头状花序的黄色小花就得到了保护并且能够获得温暖, 直到天气情况有所好转。

Yes, and it was quite an innovation because the arrowheads they were using before were made of dandelion heads.

是的，确实是次重大的创新，因为他们之前使用的箭头是由蒲公英的头状花序制的。

Outside the large flower-head is a double row of small green leaves, which protected the tiny flowers within when the " head" was only a bud.

巨大的头状花序外面长有两排小绿叶, 它们能够在“头状花序”只是蓓蕾时保护深藏其中的幼年小花。

But if you pull one of these flower-heads to pieces, you will find that it is really made up of a great many small separate flowers, which all grow close together on the cushion-shaped top of the flower-stalk.

然而, 如果你将个头状花序分解开, 就会发现, 它其实由许多独立的小花, 它们全部生长在花茎的垫状顶部, 彼此紧密依靠在起。