chimeras/kaɪˈmer.əkaɪˈmɪr.ə/名词嵌合体The clinic has created human-pig chimeras by adding human stem cells to pig fetuses.这家诊所通过将人类干细胞植入猪胚胎,创造了人猪嵌合体。幻想;妄想,空想Why do people chase the chimera of fame?为什么人们追逐名利的幻想?想跟读,去练习