Chalcedony
n. 玉髓\\n[化] 玉髓
🗣️ 情景例句
I don't believe you.
我不相信你的话。
I'm afraid the pollution will kill us all.
公害可能把我们都逼死。
What happened before printing was invented?
印刷术发明以前是怎么一回事？