bolster的现在进行时怎么拼写？

bolster的一般过去时为：bolstered...

bolster的第三人称单数（三单）为：bolsters...

bolster的复数形式为：bolsters...

bolster的音标：bolster的英式发音音标为：['bəʊlstə(r)]bolster的美式发音音标为：['boʊlstə(r)]...

His re-creation of the city is credible, with a substratum of fact to bolster the fiction.他对该城历史的再现是可信的，虚构的小说情节隐念着一些事实作为支撑。Britain is free to adopt policies to bolster its economy.英国可以自由制定政策以振兴经济。His recreation of the ci...

vt.支持，支撑，鼓励，援助n.长枕，垫枕，衬垫，支持物...

The high interest rates helped to bolster up the economy.高利率使经济更稳健.He tried to bolster up their morale.他尽力鼓舞他们的士气.Pillars bolster the roof.柱子支撑屋顶....

bolster的现在完成时为：bolstered...