0 New HSK word(s):
0 Old HSK word(s):
浮游生物界 [fu2 you2 sheng1 wu4 jie4] Plankton ( wörtl. Welt der Plankton ) (S, Bio)
生物界 [sheng1 wu4 jie4] Biosphäre (S)
原生生物界 [yuan2 sheng1 sheng1 wu4 jie4] Reich der Protisten (lat: Protista)