春夏之际,到处可听到“布谷,布谷”的彻夜鸟啼声,像是在催人不误农时,及早春播,这就是神秘的“布谷鸟”,学名杜鹃。它那凄凉哀怨的悲啼,常激起人们的多种情思,加上杜鹃的口腔上皮和舌头都是红色的,古人误以为它“啼”得满嘴流血,因而引出许多关于“杜鹃啼血”、“啼血深怨”的 In the spring and summer, you can hear the crowing of birds around the night in the valley and valley. It is like the time of urging people to make mistakes in agriculture and early spring sowing. This is the mysterious “cuckoo” and the scientific name is Du Fu. Its desponding sorrows and distresses often arouse people’s various emotions. In addition, Du Fu’s oral epithelium and tongue are all red. The ancients mistakenly thought it to be “squeaky” with a mouthful of blood and blew many words about “Du Fu blood.” , “Deeply dissatisfied”