| 单词 | spearhead an effort | 
| 释义 | spearhead an effort The sales department grew rapidly in 1945-1946 as he spearheaded the efforts to manufacture complete profile screens for the coal, mining and paper industries.  Retrieved from Wikipedia CC BY-SA 3.0   Several citizens spearheaded an effort to make the site into a city park.  Retrieved from Wikipedia CC BY-SA 3.0   In the 1990s a group of community-minded residents spearheaded the effort to purchase dilapidated apartments and commercial businesses in a four-block area.  Retrieved from Wikipedia CC BY-SA 3.0   Porter also spearheaded the effort to write basketball and football rule books specifically for high school competition.  Retrieved from Wikipedia CC BY-SA 3.0    | 
	
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