名詞 pd:

1. a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry
   同義詞：palladium, atomic number 46

Pd
NONE（無詞性）
The symbol for the element palladium
元素palladium的符號