(1) satisfying ①令人满意的②（食物）丰足的
it is satisfying to do sth.做某事让人开心
作定语时,
a satisfying meal (一顿食物丰盛的一餐)
(2) satisfactory ①合适的,满足要求的 ②令人满意的
作定语时,
a satisfactory excuse for sth.(做某事一个合适的理由) a satisfactory conclusion (令人满意的)
None of the solutions are entirely satisfactory.
（3）satisfied
be satisfied with// that...对.
这是我在讲义中用 的,希望对你有用.