maintainence

基本解释

• 检修

同根派生

英汉例句

• We must maintain a firm attitude.
  我们必须采取坚定的态度。
• He is too poor to maintain his family.
  他太穷了，无法养活家人。
• A substance believed to maintain life indefinitely.
  长生不老药被认为可以使生命无限的物质
• The plan is merely designed to maintain their nuclear superiority.
  制定这个计划只是为了保持他们的核优势。
• The factory cannot maintain current levels of production.
  该工厂不能保持目前的生产水平。