形容词
中文翻译：不确定的
同义词：
['uncertain', 'indeterminate']
例句：
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1. The weather forecast is indefinite, so we should prepare for anypossibility.
天气预报不确定，所以我们应该为任何可能做好准备。
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2. The project's scope isindefinite, so it'sdifficult to determine its final outcome.
项目的范畴不明确，因此很难确定其最终结果。
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3. The definition of the word "indefinite" is not clear, soit's hard to understand its meaning.
“indefinite”这个词的定义不清楚，所以很难理解它的意思。