fertilisation
  使肥沃;受精
  fer·til·isa·tion /ˌfɝtḷəˈzeʃən/ 名詞
  fertilisation
       n 1: creation by the physical union of male and female gametes;
            of sperm and ova in an animal or pollen and ovule in a
            plant [syn: fertilization, fecundation, impregnation]
       2: making fertile as by applying fertilizer or manure [syn: fertilization,
           fecundation, dressing]