英语词汇“touchstone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	touchstone
释义	Word Frequency touchstone (ˈtʌtʃˌstəʊn) noun 1. a criterion or standard by which judgment is made 2. a hard dark siliceous stone, such as basalt or jasper, that is used to test the quality of gold and silver from the colour of the streak they produce on it
随便看	aerenchyma aerenchymatous aeri- aeri- aerial aerial cableway aerial camera aerial input aerialist aeriality aerial ladder aerially aerial mast aerial perspective aerial photograph aerial pingpong aerial railway aerial root aerial survey aerial tanker aerial top dressing aerie aerie aeried aeries

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