Anthracitous
a. 含无烟煤的
🗣️ 情景例句
That's a little more than we had planned.
这比我们计划的多了一些。
Does he go out with the boy whose aunt is an operator?
与他在一起那男孩的姑妈是接线生。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。