Potholing
[ ['pɔtˌhəuliŋ] ]
辅助 Assistant
n. 地穴探险活动
✅ 同义词
🗣️ 情景例句
Hello, Mrs. Herrera. Hi, Carl, how you doing?
你好，Herrera太太，嗨，Carl，你怎么样啦？
I'll be back in 5 days.
我五天之后回来。
These two have travelled through the earth.
这两种波都是穿过地球而来的。