X factor
短语n. 未知因素
发音
AU
词形变化
X factors
复数
别名
x-factor
释义与例句
n.
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1.
An unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.
习语 -
2.
A special talent, ability or quality or its indefinable cause.
习语 -
3.
Prothrombinase.
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4.
The proportionality constant which converts CO emission line brightness to molecular hydrogen mass.
天文