使扩大: open up:if a hole crack etc is opensed u it appears and becomes wider
扩大生产能力: expand production capacityexpansion of production capacity
Example Sentences:
1.
The two sides should expand mutual contacts and exchanges and work together to carry forward the fine tradition of the chinese culture 两岸应该扩大交流交往，共同弘扬中华文化的优秀传统。
