salt mine

基本解释

That is, until Union forces mounted an attack on his salt mine and he had to flee once more.
直到聯盟軍又對他的鹽鑛發起的進攻他不得不有一次開始逃亡。
Their daughter works in the company’s sales department and their son works in the island’s salt mine.
他們的女兒在公司的銷售部工作，兒子則在鹽鑛工作。
The salt mine was mentioned in official documents dating from the middle of the 13th century, when the mine was offered to the Transylvanian Catholic Church leaders.
在13世紀中期的官方文件中曾提及過此鹽鑛，它在被獻給了儅時特蘭西瓦尼亞的天主教皇。

Today, the library--one of the largest television collections in history--is stored 54 stories underground in a climate-controlled salt mine near Kansas City, Kan.
FORBES: Wheeerrre's Johnny?
Their proposals include cutting opening hours by 16% and reducing staff and access to documents, some of which will be stored in a Cheshire salt mine.
ECONOMIST: Trouble at the National Archives