Echinodermal
a. echinoderm的變形
??? 情景例句
The battle was very historic.
那場戰役在歷史上很重要。
Many people favor building more nuclear power plants.
許多人贊同修建更多的核電站。
While this was going on, Mr.Taylor was upstairs.
這開始發生時，泰勒先生正在樓上。