ADJ [usually ADJ n]开创性的；先驱性的Pioneering work or a pioneering individual does something that has not been done before, for example by developing or using new methods or techniques. 开创性的；先驱性的
The school has won awards for its pioneering work with the community.
这所学校因其针对该社区具有开创性的工作而获奖。
America has always retained her pioneering spirit.