[ 复数 utilities ]
同义词: public utility public utility company public-service corporation
同义词: usefulness
"a computer system provides utility programs to perform the tasks needed by most users"
同义词: utility-grade
"a utility infielder"
同义词: substitute(a)
以上来源于: WordNet
N-COUNT A utility is an important service such as water, electricity, or gas that is provided for everyone, and that everyone pays for. 公用事业
...public utilities such as gas, electricity and phones.
…煤气、电和电话等公用事业。
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