bolster的现在进行时怎么拼写？

bolster的第三人称单数（三单）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)]...

bolster的一般过去时为：bolstered...

vt.支持，支撑，鼓励，援助n.长枕，垫枕，衬垫，支持物...

bolster的复数形式为：bolsters...

bolster的现在完成时为：bolstered...

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....

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...