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- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- Supposed a constant maintenance mechanism, the maintenance coefficients P/O and the theoretical yield were estimated. 并根据一定维持机理求得了维持系数、P／O及理论得率等。
- Although its complex leg mechanisms do require constant maintenance and repair, the rugged walker does live up to its all terrain name, being able to plod through most obstacles. 虽然它复杂的腿部机械结构总是需要保养和修理，但强硬？的步行者确实不愧叫做“全地形”，它可以缓慢地跨过绝大多数的障碍物。
- The machinery requires constant maintenance 这些机器需要经常保养维修
- His wife was a constant inspiration to him. 他的妻子经常鼓励他。
- Her constant complaining just sticks in my craw. 她那不断的诉苦真使我受不了。
- I was infuriated by/with their constant criticism. 他们没完没了地批评把我给气坏了。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- She feels wearisome by the constant noise. 她很厌烦那些没完没了的嘈杂声。
- She matured her novel by constant revision. 她不断修改自己的小说以使其趋于完善。
- She yelled at him about his constant drunkenness. 她大嚷大叫说他总是烂醉如泥。
- He's taking classes in car maintenance. 他正在上汽车维修课。
- I've had enough of your constant chatter. 我已经听够你那没完没了的唠叨话。
- She was wearied by the constant noise. 她很厌烦那些没完没了的噪杂声。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- Salaries are kept under constant review. 薪金问题要一直不断审订。
- His constant requests for help taxed our goodwill. 他不断要求我们帮助他，过分利用了我们对他的好意。
- Matter is in constant motion and constant change. 物质总是在不断运动，不断发展。
- The thief went in constant fear of discovery. 那贼时刻都在担心被人发现。
