形容词
中文翻译：持续的
同义词：
['unchanging', 'everlasting', 'perpetual例句：1. The weather isconstant throughout the year.（天气全年都不变。）']
例句：
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1. The weather isconstant throughout the year.
天气全年都不变。
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2.The company's policy of constant improvementhas been recognized globally.
公司不断改进的政策已被全球认可。
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3. The constant rain made itdifficult for us to work outside.
不断的雨使得我们很难在外面工作。