creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
making fertile as by applying fertilizer or manure
造句
用作名詞(n.)
These exhibitions primarily show the human body embryo growth the body variety of the embryo and mother womb, from fecundation to conceive each stage of the embryo growth. 本展品主要是顯示人體胚胎發育胚胎與母體子宮的形體變化，從受精到胚胎發育的各階段。