山洞的英文怎么说
时间：
山洞的英语是 "cave"。
来源：这个词源自古英语单词 "caf"，它最早可以追溯到公元5世纪。
例句:
The cave system was vast and complex.
(这个山洞系统巨大而复杂。)
The bats flew out of the cave at dusk.
(蝙蝠在黄昏时分从山洞里飞出。)
The cave paintings were estimated to be over 5000 years old.
(这些山洞壁画估计有5000多年历史。)
来源：这个词源自古英语单词 "caf"，它最早可以追溯到公元5世纪。
例句:
The cave system was vast and complex.
(这个山洞系统巨大而复杂。)
The bats flew out of the cave at dusk.
(蝙蝠在黄昏时分从山洞里飞出。)
The cave paintings were estimated to be over 5000 years old.
(这些山洞壁画估计有5000多年历史。)