maintained
例句与用法
- How do the populations maintain this homeostasis ?
种群如何能维持这种内稳定状态呢? - Maintaining adequate grain stocks is expensive .
维持足够的谷物储备,代价是昂贵的。 - Engineers maintain the turbines .
机修工维修涡轮机。 - Utility companies could install and maintain them .
公用事业公司可以安装并保养它们。 - Our model is easy to operate and maintain .
我们这个型号(的机器)很容易操作和保养。 - The spacing is maintained constant .
格距保持不变。 - I maintained that it was wrong .
我认定这是错的。 - The united nations maintains a military presence in the area .
联合国在该地区驻有军队。 - He was adept at maintaining a psychological advantage .
他是善于保持一种心理上的优势的。 - The king maintained order within the bound of his realm .
国王在王国边界之内维持着秩序。
用"maintained"造句