And now we come to a minor balsa mystery.Why does the tree flower at night?

现在让我们来揭开一个关于巴尔沙树的小小谜团：为什么它们会选择在夜里开花？

youdao

All the tree leaves, the flower leaves and grass leaves get very green and very clean.

所有的树叶、花叶和草叶变得特别绿，特别干净。

youdao

Cloves are the rich, brown, dried, unopened flower buds of syzygium aromaticum, an evergreen tree in the myrtle family.

丁香是常青树上的棕色未开花的花蕾，气味清香，营养丰富，桃金娘科植物的一种。

youdao

Most people see them in flower arrangements, but here it's the size of a small palm tree.

CNN: New York vs. Los Angeles: L.A. is a 'heavenly place'

Flower sellers line the walk to one of the most sacred shrines in Anuradhapura, the holy Bo tree.

BBC: Battle to save ancient Sri Lanka

You see one single flower nodding on a cliff side far across the canyon, or a huge knot in a redwood tree looking like Zeus' face, or some of God's little crazy creations goofing around in creek pools (zigzag bugs), or a sign on a lonely fence saying 'M.

NPR: Zigzag Bugs And 'A Sea Like God': Kerouac's Big Sur