(in ancient Greek stories) a creature with a lion's head, a goat's body and a snake’s tail that can breathe out fire 喀迈拉（古希腊神话中狮头、羊身、蛇尾的吐火怪物） - (formal)
an impossible idea or hope 妄想；幻想；空想 - (
biology 生物 an organism (= a living thing) that contains a mixture of genetically different tissues 嵌合体（含有两种以上基因型组织的有机体）
Word Originlate Middle English: via Latin from Greek khimaira ‘she-goat or chimera’.