intransitive. To prove or appear to be of a given degree of purity on testing with a touchstone; to undergo or pass such testing. Also figurative. Obs…
| 单词 | θ216300 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > qualities of metals > [verb (intransitive)] > undergo test (1) toucha1625 intransitive. To prove or appear to be of a given degree of purity on testing with a touchstone; to undergo or pass such testing. Also figurative. Obs… |
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