Calcedony
n. (=chalcedony)玉髓
🔁 扩展释义
【化】 玉髓
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
You must go easier on yourself; you look exhausted.
你不可以太勉强，你的身体似乎太疲劳了。
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。