n. 乐园, 愉快, 乐事, 快乐

Pleasance \Pleas"ance\, n. [F. plaisance. See {Please}.]
1. Pleasure; merriment; gayety; delight; kindness. [Archaic]
--Shak. ``Full great pleasance.'' --Chaucer. ``A realm of
pleasance.'' --Tennyson.

2. A secluded part of a garden. [Archaic]

The pleasances of old Elizabethan houses. --Ruskin.