n.
a wooden structure consisting of an upright post with a transverse piece
a marking that consists of lines that cross each other
同义词：crisscrossmark
a representation of the structure on which Jesus was crucified; used as an emblem of Christianity or in heraldry
any affliction that causes great suffering
"that is his cross to bear"
同义词：crown of thorns
an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species
"a mule is a cross between a horse and a donkey"
同义词：hybridcrossbreed
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
同义词：hybridizationhybridisationcrossbreedingcrossinginterbreedinghybridizing
