Umbellar
a. 伞状花（序）的
🗣️ 情景例句
The longer the words the better.
单词越长越好。
A man may smile and smile and be villain.
笑里藏奸。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。