検索結果- ポルトガル語(ポルトガル、ブラジル) - 英語
検索内容:
pedra de toque
noun
touchstone (a stone used to test the quality of precious metals) / touchstone (a standard of comparison or evaluation)
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検索内容:
touchstone (a stone used to test the quality of precious metals) / touchstone (a standard of comparison or evaluation)