Chalcedony
n. 玉髓\\n[化] 玉髓
🗣️ 情景例句
Oh, yes.
噢 ，是的。
I hope that I can make a worthwhile contribution to the efforts of this group.
我希望能对这个团体努力的成果提供有价值的贡献。
We found it difficult to work with him.
我们发现和他共事很难。