caliber

['kælibə]

释义

n. 口径
A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long.

例句
Hank:If you're gonna bring a gun, you gotta bring enough gun.40 caliber.（Breaking Bad）
汉克：如果你要持枪，就持个像样的。40口径的。（绝命毒师）