Minefield

来自Big Physics
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wiktionary

ref 

mine +‎  field


etymonline

ref

minefield (n.)

"area of land planted with explosive mines," 1877, from mine (n.2) + field (n.). Figurative meaning, "subject or situation fraught with unseen dangers," is by 1947.

取自“https://www.bigphysics.org/index.php?title=Minefield&oldid=40672”