Caving
n. 洞穴探险
✅ 同义词
🗣️ 情景例句
It doesn't need any alterations. We must've bought the right size.
不需作任何修改。我们一定是买对了尺寸。
Diseases come on horseback, but go away on foot.
病来如山倒，病去如抽丝。
Who's that?
那是谁呢？