0 New HSK word(s):

0 Old HSK word(s):

动物卫生学 [dong4 wu4 wei4 sheng1 xue2]

Tierhygiene (S, Bio)
卫生学 [wei4 sheng1 xue2]

Hygiene, Gesundheitslehre (S, Med)
植物卫生学 [zhi2 wu4 wei4 sheng1 xue2]

Pflanzenhygiene (S, Bio)