名词
中文翻译：Unknown
同义词：
['inflexibility', 'intractability', 'irresistibility']
例句：
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1. The scientist's theory was so convincing that it seemed impossible to refute.
科学家的理论如此令人信服，以至于似乎无法反驳。
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2. The weather forecast warned of strong winds and heavy rain, making travel difficult and potentially dangerous.
天气预报警告说有强风和大雨，旅行困难且可能危险。
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3. Despite the challenges, they persevered and achieved their goal.
尽管面临挑战，他们坚持不懈并实现了目标。