pioneer的现在进行时怎么拼写？

pioneer的一般过去时为：pioneered...

pioneer的复数形式为：pioneers...

pioneer的第三人称单数（三单）为：pioneers...

n.拓荒者，开发者，先驱者，创始者vt.开拓，开发，做（…的）先锋，提倡...

pioneer的音标：pioneer的英式发音音标为：[ˌpaɪə'nɪə(r)]pioneer的美式发音音标为：[ˌpaɪə'nɪr]...

She was a suffragette and a birth control pioneer.她参加争取妇女选举权的运动，也是节育倡导者。a pioneer in the field of microsurgery显微外科领域的创始人He is a pioneer in modern medical practice.他是现代医学实践的先驱....

A heavy stockade around the cabin protected the pioneer from attack.小屋周围的厚厚的栅栏保护拓荒者免受攻击。Sun Li is an explorer , a pioneer an expresser of the new territory of literature.孙犁是文学新地的发现者、抒写者、开拓者.Two members of the Young Pione...

pioneer的近义词/同义词有：forerunner, colonist, leader, settler, forerunner, colonist, leader, settler, inventor。n.pioneer的近义词（开拓者;移居者）：forerunner, colonist, leader, settler。pioneer的近义词（其他释义）：forerunner, colonist, leader, settler...

pioneer的现在完成时为：pioneered...