With an election approaching, the prime minister is keen to maintain his popularity. The Queen has maintained political neutrality throughout her reign. Security during the president's visit must be …

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5. A calculation that can be used to determine how much thinner needs to be added to the flux to maintain a specified specific gravity. 用来 确定 向 焊剂 中 添加 多少 稀释 剂， 以 使 其 保持 规定 的 …

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To maintain her weight, she simply chooses fruits and vegetables over fats and sweets. 为了保持自己的体重，她选择只吃水果和蔬菜而不吃肥肉和甜食。

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to keep in existence or continuance; preserve; retain to maintain good relations with neighboring countries

The meaning of MAINTAIN is to keep in an existing state (as of repair, efficiency, or validity) : preserve from failure or decline. How to use maintain in a sentence.

Definition of maintain verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

maintain verb [T] (NOT CHANGE) B2 to make a situation or activity continue in the same way: