carboniferous
adj
(geology 地质)
1 producing coal 产煤的: carboniferous rocks 产煤的岩层.
2 Carboniferous of the geological period when coal deposits were formed 石炭纪的. carboniferous, n the Carboniferous period 石炭纪.
🗣️ 情景例句
Except for my grandfather.
除了我爷爷。
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买,将很能难推销。
Among the different types of bee, it is the honey bee that has most interested scientists because of the language they use to communicate with each other.