Speleothem
n. [地]洞穴堆积物(如钟乳石)
🗣️ 情景例句
Your birthday is tomorrow, isn't it?
你明天生日 ，是吗？
Skiing is such a difficult sport that it's more work than play.
滑雪是非常困难的运动，真所谓工作高于游戏呀。
Kate, could you answer the telephone, please? I'm busy.
凯特，你能接一下电话吗？我忙着呢。