n. someone who helps to open up a new line of research or technology or art
n. one the first colonists or settlers in a new territory
v. open up an area or prepare a way
v. open up and explore a new area
n. 先锋, 拓荒者, 创始人
vt. 提倡, 开辟, 开创, 倡导
vi. 作先驱, 开路
a. 最早的, 开拓的, 先驱的, 有开拓者特点的