Sillar
n. [地]未固结熔灰岩, 未固结火山凝灰岩
🗣️ 情景例句
Where there's a will, there's a way.
有志者事竞成。
The restaurant is a mile from the hotel.
那餐厅在饭店过去约有一英里。
What's the climate like in your country?
你们国家的气候怎么样？