| 单词 | unknown quantity |
| 释义 | unknown quantitya person or thing whose action, effect, etc, is unknown or unpredictable unknown quantity(ʌnˈnəʊn ˈkwɒntɪtɪ) noun 1. another name for unknown (sense 6) 2. a person or thing whose action, effect, etc, is unknown or unpredictable He's an unknown quantity. To Margaret the outside world was an unknown quantity. |
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