the negative pion, composed of a down quark and an anti-up quark.

listen to the pronunciation of the negative pion, composed of a down quark and an anti-up quark.
Английский Язык - Английский Язык

Определение the negative pion, composed of a down quark and an anti-up quark. в Английский Язык Английский Язык словарь

The negative pion, composed of a down quark and an anti-up quark.
pi-minus