天火字典

英日字典：ｾﾋｱﾈｿｱ

ｾﾋｱﾈｿｱ

､ｷ､遉ｦ､ｨ､､ﾏ､､ｪ､ｦ

(n) (1) chemical reaction used to detect residue from gunshots
(2) (col) gunpowder residue
gun shot residue
GSR

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