在我们学校厕所的两旁,有两棵桧柏。今天我去厕所的时候,发现其中的一棵与往年相比有些不一样——上面长了许多黄色的小东西,起初我没太在意,但当我不小心碰了它一下时,我发现从树上掉下来很多黄色的粉末,粉末是从树的哪个部分掉下来的呢?为了弄清这个问题,我故意用手指弹了弹 There are two cypresses on either side of our school toilet. When I went to the toilet today, I found out that one of them was a bit different from the previous years - a lot of yellow stuff grew above me. At first I did not care too much about it. But when I accidentally touched it, I found that from A lot of yellow powder fell off from the tree, which part of the tree the powder fell from? In order to clarify this problem, I deliberately bombarded with a finger