Chalcedony
n. 玉髓\\n[化] 玉髓
🗣️ 情景例句
I don't know.
我不知道。
Youth looks forward and age backward.
青年人向前看，老年人向后看。
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。