Pyrolusite
n. [矿]软锰矿
🔁 扩展释义
【化】 软锰矿【医】 软锰矿, 二氧化锰
🗣️ 情景例句
Oh, don't look so sad.
噢， 别显得那么无精打采。
Wit without learning is like a tree without fruit.
仅有机智而无真才实学，犹如一棵大树不结果。
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
据估计，若桥上摆满了汽车，也只不过是桥的总承载力的1/3。