Spelunking
n. 洞穴探察, 对探察洞穴的爱好
🗣️ 情景例句
It's been very nice talking to you.
很高兴与你交谈。
What is done cannot be undone.
木已成舟。
Bleriot set off half an hour later.
半小时后便正式出发了。