bulwark的复数形式怎么拼写？

a bulwark against extremism坚决反对极端主义者The abbeys were founded in the 12th century by King David as a bulwark against the English.这些修道院是12世纪大卫王用来抵御英国人而修建的堡垒。The new dam was a bulwark against future floods.新水坝是将来抵御洪水的屏障....

That country is a bulwark of freedom.那个国家是自由的堡垒。The abbeys were founded in the 12th century by King David as a bulwark against the English.这些修道院是12世纪大卫王用来抵御英国人而修建的堡垒。Our people’s support is a bulwark against the enemy.人民...

bulwark的音标：bulwark的英式发音音标为：['bʊlwək]bulwark的美式发音音标为：['bʊlwɜrk]...

n.堡垒，保障，支柱，舷墙vt.筑垒保卫，保护，使安全...

gastrorrhoea的音标：gastrorrhoea的英式发音音标为：[ɡæstrɒ'rɪə]gastrorrhoea的美式发音音标为：[ɡæstrɒ'rɪr]...

他用踌躇的肯定词“是的”限制了他的强调语气.He moderates his assent with the halting affirmative....

to have Scottish ancestry祖籍苏格兰The family has traced its ancestry to the Norman invaders.这个家族将自己的世系追溯到诺曼征服者.Their ancestry settled the land in 1856.他们的祖辈1856年在这块土地上定居下来....

biotransformation的音标：biotransformation的英式发音音标为：[baɪətrænsfə'meɪʃn]biotransformation的美式发音音标为：[baɪətrænsfə'meɪʃn]...

mileage的音标：mileage的英式发音音标为：['maɪlɪdʒ]mileage的美式发音音标为：['maɪlɪdʒ]...

吐根苷...

n.底层，内里层...

retires的音标：...

“跳火”的拼音为：tiào huǒ...

obscure的一般过去时为：obscured...

As the nation continued to mourn, the new President of South Africa paid his own tribute.举国仍在哀悼之际，南非新任总统也表达了自己的怀念之情。They called the event 'a tribute to heroes', which was a nice touch...他们把这一活动称为“向英雄致敬”，这可是加分之举...

吡喃不是芳香的, 但眬英嗡离子是.Pyran is not aromatic, but the phrylium ion is.报道了氯化锌催化合成正辛基 -D- 吡喃葡萄糖苷反应机理的研究,考察了影响产物构型的因素.The mechanism to synthesize the octyl - D - glucopyranoside catalyzed by zinc chloride is suggested.0.2%α - 吡喃酮...

n.希腊字母的第 11个字...

荷电率...

unscrewed的音标：unscrewed的英式发音音标为：[ʌnsk'ru:d]unscrewed的美式发音音标为：[ʌnsk'rud]...