uncertain 的意思
uncertain 的翻译
uncertain
[ʌnˈsɜ:tn]
释义：
adj. 无常的；不确定的
例句：
We didn't have the picnic because the weather was uncertain.
我们没有出去野餐,因为天气变幻莫测.
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They are uncertain about what to do next.
他们不知道下一步该做什么.
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The date of his departure is uncertain.
他离开的日期尚未确定.
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