Dreye權威釋義 | touchstone

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KK:[ˈtʌtʃˌston] DJ:[ˈtʌtʃstǝun]

權威釋義

n.

試金石
檢驗；標準

辨析

同義參見:

以上來源於：《英漢大辭典》

n.

a piece of fine-grained dark schist or jasper formerly used for testing alloys of gold by observing the colour of the mark which they made on it.
a standard or criterion.

以上來源於：《簡明牛津英語詞典》