n. a variable whose values are solutions of an equation
a. not known
s. not known to exist
词态变化
复数形式:unknowns
常见例句
1
a member of a people of unknown origin living in the western Pyrenees in France and Spain n
2
a disorder (usually of unknown origin) of the heart muscle (myocardium)
3
n a possibility due to a favorable combination of circumstances n an unknown and unpredictable phenomenon that causes an event to result one way rather than another n a risk involving danger n a measure of how likely it is that some event will occur
4
(of unknown regions) not yet surveyed or investigated
5
n a member of an indigenous people living on the Chukchi Peninsula n an indigenous and isolated language of unknown origin spoken by the Chukchi that is pronounced differently by men and women
