/ɪk'spænsɪv; ɪk`spænsɪv/
adj
1 able or tending to expand 可扩大或伸展的; 有扩大或伸展性的
*He greeted us with an expansive gesture (eg he stretched his arms wide) and a wide smile. 他手舞足蹈笑逐颜开地迎接我们.
2 (of a person, his manner, etc) willing to talk a lot; unreserved （指人、态度等）健谈的, 豪爽的, 开朗的
*an expansive after-dinner speaker 健谈的饭後演讲者
* be in an expansive mood after a few drinks 喝了几杯酒以後情绪高涨.

adj
very friendly and willing to talk a lot
　Hauser was in an expansive mood .
very large in area, or using a lot of space
　expansive beaches
　She flung her arms out in an expansive gesture.
including a lot of information and using a lot of words
　an expansive definition
　It was written in an expansive style.
relating to a business or economy becoming bigger or more successful
　expansive economic policies
>expansivelyadv
>expansivenessn[U]