elaboration

n. /ɪˌlæbəˈreɪʃn/ C1

详尽阐述；精心制作

The act of adding more details, explanation, or complexity to something.

仙境例句

The Mock Turtle's long elaboration on every lesson sent the Gryphon to sleep.

假海龟把每门课都讲得详详细细，狮鹫听着听着就睡着了。