maintain at

maintain at 基本解释

把…保持在

词组短语

1、Maintain at Least 保持至少

maintain at 用法和例句

1、Bring to, or maintain at, the boiling point, as of water and other liquids.

使水或其它液体加温或保持在沸点。

重点词汇

maintain vt. 保持；保养；坚持；固执己见