bolster的一般过去时怎么拼写？

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...

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....

vt.支持，支撑，鼓励，援助n.长枕，垫枕，衬垫，支持物...

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的现在进行时为：bolstering...

bolster的现在完成时为：bolstered...

bolster的复数形式为：bolsters...

bolster的第三人称单数（三单）为：bolsters...

mating的音标：mating的英式发音音标为：['meɪtɪŋ]mating的美式发音音标为：[]...

v.刺，撕裂( lancinate的过去式和过去分词 )...

...

rejoined的音标：...

n.第十九，十九分之一adj.第十九的，十九分之一的...

They divvied up the winnings between them.他们瓜分了赢得的钱.They divvied up the profits among themselves.他们一伙瓜分利润....

hundred的音标：hundred的英式发音音标为：['hʌndrəd]hundred的美式发音音标为：['hʌndrɪd]...

bridge的现在进行时为：bridging...

爆震燃烧...

“灾害”的近义词/同义词：灾祸, 灾难, 磨难, 苦难, 患难, 劫难, 灾荒, 灾殃。...

deeds的音标：...

n.偏斜，偏转，变位...

blustery的音标：blustery的英式发音音标为：['blʌstəri]blustery的美式发音音标为：['blʌstəri]...

n.人造橡皮...