形容词
中文翻译：持续的
同义词：
['unchangeable', 'everlasting例句：1. The constant rain has made the streets slippery.（持续的雨水让街道变得滑。）']
例句：
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1. The constant rain has made the streets slippery.
持续的雨水让街道变得滑。
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2.The constant stream of visitors has left the museum empty.
持续不断的游客流使博物馆空无一人。
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3. The constant reminders of her past life kept her awake at night.
她过去的不断提醒让她夜不能寐。