Psilopsida
松叶蕨纲
🗣️ 情景例句
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
It's a deal!
成交！
it is both simple and elegant, fulfilling its designer's dream to create 'an enormous object drawn as faintly as possible'.
但它的结构简单，造型优美，实现了设计者企图创造一个“尽量用细线条勾画出一个庞然大物”的梦想。