uncertainty /ˌʌnˈsɚtn̩ti/ noun plural uncertainties
plural uncertainties
Learner's definition of UNCERTAINTY
1
[noncount] : the quality or state of being uncertain : doubt不确定性;不确定;疑惑 2
[count] : something that is doubtful or unknown : something that is uncertain不确知的事物 —
usually plural通常用复数