Psilophytales
n. 裸蕨目\\n
🗣️ 情景例句
I know. I heard you talking about it
我知道。我听到你们谈论的那件事了，
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡