Sonolite
斜锰硅石
🗣️ 情景例句
What's happening in Singapore recently?
近来新加坡的情况怎样？
It's a matter of life and death.
事关生死。
planes, or land vehicles----for it is something in between a boat and an aircraft.
飞机，或是陆上交通工具，因为它是介于船和飞机之间。