名词
中文翻译：水平
同义词：
['grade', 'rank', 'tier', 'degree']
例句：
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1. The level of the water is too high for me to swim in.
水的深度对我来说太高，我无法游泳。
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2. The company's performance has been at a steady level since the new management took over.
自从新管理层上任以来，公司的绩效一直保持在一个稳定水平。
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3. The team needs to improve their communication skills to reach a higher level of efficiency.
团队需要提高沟通技能以实现更高的效率。