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词汇 efficient
释义 词性词形谱(a)efficient (ad)efficiently(n)efficience efficiency
efficient 选择性必修1000 全国卷频次:1 教材出处:译林版必修B1U3
/ɪˈfɪʃənt/
a.
(直接)生效的,有效率的,能干的

高考真题原句提选:

Clearly, a more 【efficient】 kind of grooming was needed, and thus language evolved as a kind of vocal (有声的) grooming which allowed humans to develop relationship with ever-larger groups by exchanging information over a wider network of individuals than would be possible by one-to-one 【physical】 contact.显然,需要一种更【有效】的疏导方式,因此,语言演化为一种有声的疏导方式,使人类能够通过更广泛的个体网络交流信息,与越来越大的群体发展关系,而不是通过一对一的身体接触来实现。(2014年上海卷完形填空)The arts are efficient economic drivers and when they are supported, the entire small-business community benefits.艺术是高效的经济动力,当它们得到支持时,整个小企业界都会受益。“Never before have we had the innovations (创新) in technology which have led to agriculture in this country being the most efficient it has ever been,” he said.他说:我们从来没有过技术方面的创新,这使得这个国家的农业成为有史以来效率最高的。That can be a lot more efficient than pages and pages explaining the data. 这可能比一页又一页地解释数据要有效得多。
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