洋洋的英文：
complacently; copious; numerous

参考例句：

They took us in, enfolded us in joyous camaraderie
他们把我们领了进去，使我们融入了令人欣喜的暖意洋洋的气氛之中。

Mr.Brown stretched his arms lazily.
布朗先生洋洋地伸展胳臂。

The poem continues effortlessly through hundreds of lines as well turned and snobbish as the famous
诗人轻而易举地把这首诗继续写下去，洋洋数百行，行行都象下列名句一样精巧、神气十足。

complacently是什么意思：
ad. 满足地;得意地

Mr. Bailey was complacent, but unmoved.
贝利先生悠然自得，却还是无动于衷。

He had an air of complacency.
他脸上显出得意的神气。

By now he has dropped the complacent notion.
现在，他抛弃了一个得意的想法。

copious是什么意思：
adj. 大量的；多产的；冗长的

Copious flowers,tears, words
许多花、眼泪、话

Using coke in iron ore reduction produces copious quantities of airborne particulates.
炼铁过程中使用焦炭,会在空中形成大量的悬浮粒子。

There he lay, solemn and copious, vested as for the altar, his large hands loosely retaining a chalice
他安卧着，庄严而魁梧，身穿祭服，仿佛要上圣坛似的，一双大手勉强捧住圣餐杯。

numerous是什么意思：
adj. 众多的；许多的；数不清的

The numerical symbol0; a cipher.
0数字符号0；零

For conservationists, the material has numerous benefits.
在环保人士眼里，这种新材料具有很多优点。

The beehives consist of numerous cells.
蜂巢是由无数的小窝所组成的。