1650s, "tending to expand," from Latin expans-, past participle stem of expandere "to spread out" (see expand) + -ive. Meaning "embracing a large number of particulars, comprehensive" is by 1813. Related: Expansively; expansiveness.
权威例句
1. An active and expansive market economy is a necessary condition for progress.
积极扩张的市场经济是发展的必要条件。
2. The premier was in expansive mood.
总理心情开朗。
3. They have played an expansive style of rugby.
他们采用向外展开打法打了一场橄榄球。
4. She opened her arms wide in an expansive gesture of welcome.
她展开双臂以示欢迎。
5. The father was in an expansive mood and gave presents to all of his children.