| 单词 | undetectable |
| 释义 | Word Frequency undetectable(ˌʌndɪˈtɛktəbəl) adjective not able to be perceived, noticed, or discovered Levels of HIV in their blood became undetectable within 24 weeks. I called Lyle's virtually undetectable false hair a masterpiece of wigmaking. It is possible to make the weld totally undetectable. Also: indetectable |
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