Planetography
行星表面学
🗣️ 情景例句
I'm sure the plan is viable.
我肯定这个方案行得通。
You know that some countries are selling this kind of products at cheap prices in large quantities.
您知道有的国家对这种商品正在削价抛售。
This one cannot compare with that one.
这个与那个无法比较。