Spelunk
v. 洞穴探险, 洞穴研究
🗣️ 情景例句
Today is the twelfth. Why?
今天是十二号。怎么？
I'm on a diet.
我正在节食。
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。