碳棒
/ˈkɑːbən ˈɹɒd ˈkaθəʊd/
n
English: carbon rod (cathode) · 碳棒
English · carbon rod (cathode)Español · varilla de carbón (cátodo)Français · tige de carbone (cathode)
释义：Carbon rod set in the depolarizing mix; it constitutes the battery’s negative electrode (cathode) collecting the electrons returning from the circuit.