pioneer
英 [paɪə'nɪə]
美[,paɪə'nɪr]
	    - n. 先锋;拓荒者
 - vt. 开辟;倡导;提倡
 - vi. 作先驱
 
英英释意
- 1. someone who helps to open up a new line of research or technology or art
 
- 2. one the first colonists or settler in a new territory;
 - "they went west as pioneers with only the possessions they could carry with them"