4周搞定2000+托福核心词
insufficient = in(不) + suffic(足以) + ient(形容词) = 不足的，不充分的
expedient = ex(出) + ped(脚) + ient(表名词) = 能把脚跨出去→方便的、权益的；权宜之计
recipiient = re(回,翻) + cip(握住) + ient(表名词) =
自己自足的
self-sufficient
常考释义
The technology raises the prospect of Britain becoming self-sufficient in renewable energy and drastically reducing its carbon dioxide emissions.
The technology raises the prospect of Britain becoming self-sufficient in renewable energy and drastically reducing its carbon dioxide emissions.
来源于：剑雅9-Test3adj. 自给自足的；自立的
The country is totally self-sufficient in food production.
在粮食生产上，这个国家完全做到了自给自足。
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