Speleothem
n. [地]洞穴堆积物(如钟乳石)
🗣️ 情景例句
Chances are ten to one that we'll have a economic recession.
我们十有八九会陷入经济衰退。
Judge Hoffman sentenced the seven men to prison.
赫夫曼法官对那七个人宣判入狱。
The question was, which one?
问题是，哪一种气体导致火灾呢？