[hua4 yan4] /laboratory test/chemical experiment/assay/
  [hua4 yan4] /Labortest (u.E.) (S)/Test (u.E.) (S)/Testen (u.E.) (S)/Untersuchung (u.E.) (S)/untersuchen (u.E.) (V)/
  [hua4 yan4] /analyse chimique/expertise chimique/examen de laboratoire/
Visszatérés a(z) „化验” laphoz.