pioneer的一般过去时怎么写？

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...

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....

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的复数形式为：pioneers...

pioneer的现在完成时为：pioneered...

pioneer的第三人称单数（三单）为：pioneers...

pioneer的现在进行时为：pioneering...

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]...

n.内生现象，体内寄生...

n.可依靠的东西，退却，回降物...

n.移民，侨民，从异地移入的动物[植物]adj.移民的，移来的，侨民的...

adj.冲动的，任性的，受感情驱使的，[物]瞬动的，冲击的...

Mineral constituents consist mainly of jadeite, aegirine - augite, magnesio - riebeckite, winchite , magnesio - hornblende, actinolite , quartz, albite, rutile and sphene.主要组成矿物为硬玉 、 霓辉石 、 镁纳闪石、蓝透闪石、镁角闪石、阳起石 、 石英 、 钠长石 、...

enchase的现在完成时为：enchased...

ambrite的音标：ambrite的英式发音音标为：['æmbraɪt]ambrite的美式发音音标为：['æmbraɪt]...

n.壳质煤素质...

两歧桑葚胚...

Ash trees can resist many diseases. But they cannot resist ash borer.尽管灰树可以抵抗许多疾病, 却不能抵挡绿色的钻空虫.Main equipments such as: large - scale vertical lathe, borer, butterfly valve testboard etc.主要设备有: 大型立车?镗床?蝶阀测试台等.This poison...

chlorpromazine的音标：chlorpromazine的英式发音音标为：[klɔ:'prɒməˌzi:n]chlorpromazine的美式发音音标为：[kloʊr'prɒməˌzin]...

v.调停，调解，斡旋( mediate的第三人称单数 )，居间促成，影响…的发生，使…可能发生...

A prodigal who returns is more precious than gold.浪子回头金不换.A miserly father makes a prodigal son.老子守财奴,儿子败家子.Nature is prodigal of her gifts.大自然不吝惜其恩赐....

陆军各师肃清了残余的抵抗据点。The infantry divisions mopped up remaining centres of resistance.他们被抵抗组织抓住后又设法逃脱了。They managed to escape after being arrested by the resistance.除了一些零星的抵抗外，部队已控制了城市。The army controls the city apart from a f...

“好转”的拼音为：hǎo zhuǎn...