形容詞 prosperous:

1. in fortunate circumstances financially; moderately rich
   同義詞：comfortable, easy, well-fixed, well-heeled, well-off, well-situated, well-to-do
2. very lively and profitable
   同義詞：booming, flourishing, palmy, prospering, roaring, thriving
3. marked by peace and prosperity
   同義詞：golden, halcyon
4. favoring or bringing good luck
   同義詞：golden, favorable, favourable, lucky

1. At no time has the country been more prosperous than at present.
   我國任何時候都沒有現(xiàn)在這樣繁榮。
2. The city at one time must have been prosperous, for It enjoyed a high level of civilization.
   這座古城在一個時期準是很繁榮的，因為它曾享有高度文明。
3. Marked by success; prosperous.
   吉兆的以成功為標志的; 繁榮的
4. His business is prosperous.
   他的事業(yè)興旺發(fā)達。

pros.per.ous

adj.（形容詞）
Having success; flourishing:
繁榮的：獲得成功的；繁盛的：
例句：
a prosperous new business.
一家成功的新公司

Well-to-do; well-off:
富裕的；富足的：
例句：
a prosperous family.
富裕的一家

Propitious; favorable:
順利的：吉利的；有利的：
例句：
a prosperous moment to make a decision.
做決定的有利時機

【引伸】
pros.perously
adv.（副詞）
pros.perousness
n.（名詞）