动词
中文翻译：保持
同义词：
['maintain', 'preserve', 'sustain']
例句：
-
1. The housekeeper keeps the kitchen clean every day.
管家每天保持厨房干净。
-
2. The old man kept his promise to help the children with their homework.
老人坚持兑现他帮助孩子们做作业的承诺。
-
3. The team kept fighting until they finally won the game.
队伍一直战斗到最后，最终赢得了比赛。