Bituminite
烟煤
🗣️ 情景例句
I know. I do.
我知道。我会的。
I played in the yard this afternoon.
我今天下午在庭院玩。
The development of the modern beehive in 1851 made it possible to design experiments to research the language of honey bees.
1851年现代蜂箱研制出来后，这才有可能来设计实验，研究蜜蜂的语言。