This is the 6664th most frequent Chinese word.
杜鹃
Cuckoo.
Here, the word '杜鹃' refers to the Azalea flower species commonly associated with spring.
杜鹃在春天盛开，美丽动人。
Azaleas bloom in spring, captivatingly beautiful.
In this sentence, '杜鹃' is used to denote the cuckoo bird known for its distinctive singing.
我们远足时听到杜鹃的歌声，感到很开心。
During our hike, we heard the singing of cuckoos and felt very happy.
The usage of '杜鹃' here refers to the botanical aspect of the azalea plants.