Caving
n. 洞穴探险
✅ 同义词
🗣️ 情景例句
How did the accident happen?
事故是怎么发生的？
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
The life forms most likely to develop on a planet would be bacteria.
行星上最容易生存下来的是细菌。