Speleologist
n. 洞穴学家
✅ 同义词
📖 牛津释义
speleologist
(also spelaeologist), n scientist who studies caves; expert in speleology 洞穴学学者; 洞穴探险家.
🗣️ 情景例句
Well, before I go to college,
嗯，在我进大学之前，
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，