Caverns
n. 大山洞, 大洞穴( cavern的名词复数 )
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
To know how to wait is the great secret of success.
懂得如何等待是成功的秘诀。
I'm sure we will.
我相信我们会的。