这里应该填 a series of a series of 一系;一连eg: boom! boom! boom! a series of explosions shook the valley.轰!轰!轰! 一连串**声震谷a chain of 一系列, 连串,连锁链eg: those you h**e sought to reach, whether they be in your family...
a little bit和a bit是同义的.a little bit与a little两个都能做为程度副词词组来用.修饰形容词,副词,动词和比较级结构.这时两者是可以互换的.意思是:“稍微,一点”如:he ** a little bit / a bit / a little taller than me.他比我高一点.其次是这两个还可以用做为形容词词组,修饰名词,a little bit/ a ...