Pena
n. 岩石
🗣️ 情景例句
Genetics is a whold new industry with huge market potential.
基因是一门新兴产业且拥有巨大的潜在市场。
How many pieces are you going to buy?
你要买几个？
No one knows how long it will last.
谁也不知道会持续多久。