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VERB
维持;保持
If you maintain something, you continue to have it, and do not let it stop or grow weaker.
例句
The Department maintains many close contacts with the chemical industry...
这个部门与化工行业保持着众多密切的联系。
Push yourself to make friends and to maintain the friendships.
要求自己与人交友并保持友谊。
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VERB
断言;宣称;坚称
If you say that someone maintains that something is true, you mean that they have stated their opinion strongly but not everyone agrees with them or believes them.
例句
He has maintained that the money was donated for international purposes...
他坚称这笔捐款将用于国际用途。
Prosecutors maintain no deal was made...
原告坚持说不存在任何交易。
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VERB
保持，维持（在某一比率或水平上）
If you maintain something at a particular rate or level, you keep it at that rate or level.
例句
The government was right to maintain interest rates at a high level.
政府维持高利率的做法是正确的。
...action is required to ensure standards are maintained at as high a level as possible.
要求采取行动确保标准维持在尽量高的水平上。
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VERB
维修;保养
If you maintain a road, building, vehicle, or machine, you keep it in good condition by regularly checking it and repairing it when necessary.
例句
...a tough campaign to force authorities to maintain roads properly...
迫使当局妥善维修道路的艰难斗争
The house costs a fortune to maintain...
维修这幢房子花销不菲。
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VERB
供养;赡养
If you maintain someone, you provide them with money and other things that they need.
例句
He should pay and maintain you as well.
他得给你钱，还得供养你。
...the basic costs of maintaining a child.
抚养一个孩子的基本费用