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vad词根

词根vad-来源于拉丁文vadere一词,表示“行走;走动(to go)”之意。单词invade由前缀in-和词根vade-构成,字面意思是“(未经许可)走进去”,引申为“侵略;入侵”之意,还可以是“蜂拥;大批进入”之意。基于v和w的辅音转换,vad形成了wad的变体。单词wade就是根词的形式,意为“跋涉;涉水”。这与辅音字母w与“水”相关的含义不谋而合。常用搭配有wade through,表示“艰难地通过;费力地完成”。 

vad,vas=go,表示“走” 

evade [?‘ve?d] v.逃避;逃脱 
记:e出+vade走动→走出去→逃避 
派:evasion [?‘ve??(?)n] n.逃避;借口 evasive [?‘ve?s?v] a.逃避的;推脱的 
例:He tried to evade the embarrassing question. 
译:他企图回避这令人难堪的问题。 

invade [?n‘ve?d] v.侵略;侵犯 
记:in进+vad走动→走进去→侵略 
派:invasion [?n‘ve??(?)n] n.侵略 invasive [?n‘ves?v] a.侵略的 
例:We‘ll wipe out any enemy that dares to invade our territory. 
译:敌人胆敢来,我们就把它消灭。 

pervade [p?‘ve?d] v.蔓延;遍布 
记:per全部+vade走动→全部走遍→蔓延 
派:pervasion [p?‘ve??n] n.蔓延,弥漫 pervasive [p?‘ve?s?v] a.普及的,渗透的 
例:A strong sense of patriotism pervaded his writings. 
译:一种强烈的爱国主义感情渗透在他的作品中。 

wade [we?d] n跋涉;涉水 
例:The bridge was washed away and we had to wade the stream. 
译:桥被冲走了,我们不得不趟水过溪。 

waddle [‘w?d(?)l] v.蹒跚而行 
例:The child always waddle and hop and have lots of fun. 
译:那个孩子走起路来不停的摇摆和跳跃,高兴极了。 

vad词根