/ˈsɜ:tnti ||; ˈsɝtṇtɪ/noun (
plural certainties)
1 [U] the state of being completely sure about sth 肯定；毫无疑问: We can't say with certainty that there is life on other planets. 我们还不能肯定其他行星上有生命。 [OPP] uncertainty 反义词为 uncertainty
2 [C] something that is sure to happen 必然之事；必然性: It's now almost a certainty our team will win the league. 我们的队将赢得联赛，这差不多已经成了定局。