Geosystems
(geosystem 的复数) 地理系统
🗣️ 情景例句
I'm sorry, I really don't know.
对不起，我真的不知道。
The doctor says that I should take quinine.
医生说我应该服用奎宁。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。