- n. 效用；有用之物；公用事业
- a. 有多种用途的；实用的；公用事业的
名复: utilities
utility
KK:[juˈtɪlǝtɪ] DJ:[juːˈtiliti]
n.
- 效用，实用，功利[U]
- 有用之物[C][P1]
- 公用事业；公用事业公司；公用事业公司股票[C][P1]
a.
- 有多种用途的；通用的
- 实用的，经济实惠的；为经济利益而饲养的
- 公用事业的
辨析
同义:
n.有用，有益，利益，效力，便利，实用
usefulness usability use applicability serviceability convertibility adaptability advantageousness helpfulness advantage benefit profit value worth merit service good efficacy effectiveness convenience avail practicality practicability functiona.预备的，代替的，暂时的
reserve backup dummy alternate spare temporary provisional makeshifta.便利的，有用的
handy all-around multipurpose utilitarian functional adaptable serviceable同义参见:
secondary以上来源于：《英汉大辞典》
n.
(pl. utilities)
- the state of being useful, profitable, or beneficial. ▸(in game theory or economics) the value of that which is sought to be maximized in any situation involving a choice.
- a public utility.
- Computing a utility program.
adj.
- useful, especially through having several functions.
- functional rather than attractive.
Etymology
ME: from OFr. utilite, from L. utilitas, from utilis ‘useful’.
以上来源于：《简明牛津英语词典》
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