镎（鎿）ná

{化} （放射性金属元素） neptunium (Np)
◆镎合金 neptunium alloy; 镎基合金 neptunium base alloy; 镎离子 neptunium ion; 镎酸 neptunic acid; 镎同位素 neptunium isotope; 镎系 neptunium series

• semiotics(或semiology)
• semipalatinsk
• semipermeable membrane
• semiprecious stone
• semiramis
• semiramis:
• semis
• semite
• semites(或shemites)
• semitic alphabets
• semitic languages
• semitism
• semmering pass
• semolina
• semper idem (l.)
• sena dynasty
• senanayake，don stephen
• senate
• senate of the united states
• senate，roman
• senatus
• send
• sendai
• sender，ramon jose
• sending