[りゅうかすいそ] /(n) hydrogen sulphide/hydrogen sulfide/sulphuretted hydrogen/sulfuretted hydrogen/EntL1552870X/
 りゅうかすいそ  {Chem.} Schwefelwasserstoff.  
 [りゅうかすいそ] /sulfure d'hydrogène/hydrogène sulfuré/1552870
Visszatérés a(z) „硫化水素” laphoz.