记忆方法
双解例句
小知识
Reserved for the harmlessly stupid and truly meaningless, vacuous is a smart-sounding way to describe something dumb. Celebrity gossip and reality TV are usually pretty vacuous, even if they're fun.
If someone smiles at you in a way that seems fake or empty, you could describe the smile as vacuous. An example of a vacuous comment would be a politician promising to make things better without explaining how. If something is vacuous, it's like a vacuum — hollow, empty, devoid of substance.
实用短语
词根词缀
词根: vac
=empty,表示”空”
adj.
vacuous 发呆的,无意义的vac空+uous……的→adj.发呆的,无意义的
vacant 空的,未占用的;空缺的;神情茫然的vac空+ant……的→adj.空的,未占用的;空缺的;神情茫然的
n.
vacation 休假,假期vacate[v.腾出,空出,离[职],退[位]]+ion表名词→vacation休假,假期
v.
evacuate 撤离,疏散,排泄,剥夺e出+vac空+uate=ate表动词→空出去→撤空
vacate 腾出,空出,离[职],退[位]vac空+ate做→弄空
后缀: -uous
表形容词,”多……的,有……的”
adj.
assiduous 勤奋的s一再+sid坐+uous多……的,有……的→一再坐着[学习] →勤奋的
contiguous 接近的,接壤的con共同+tig接触+uous多……的,有……的→互相接触的→接壤的
promiscuous 滥交的,杂乱的pro多+misc混淆+uous多……的,有……的→很多混合在一起→杂乱的
vacuous 发呆的,无意义的vac空+uous多……的,有……的→adj.发呆的,无意义的
同义词
expressionless / glassy / null