单词	petcocks
释义	petcock noun pet·​cock ˈpet-ˌkäk  : a small cock, faucet, or valve for releasing a gas (such as air) or draining Word History Etymology pet- (perhaps from petty) + cock First Known Use circa 1864, in the meaning defined above petcocks noun plural of petcock as in valves Synonyms & Similar Words Relevance valves stopcocks faucets cocks taps spigots hydrants gates spouts
随便看	felsic felsite felsites felsitic felsophyre felsophyric felspar felspars felspathic felspathoids felstones felt felt (for) felt (out) felt fern felt finish felt for felt fungus felt like felt out felt paper felt rust felt side felt sorry for felt up

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。