Obviously, any child who receives dedicated teaching over an extended period is likely to improve.

很明显，任何接受了很长时期用心教导的儿童都可能会进步。

Defence planners predict an extended period of retrenchment.

国防规划人员们预计，开支紧缩期会延长。

However, now they are becoming an extended period of adolescence, during which many of today's students and are not shouldered with adult responsibilities.

然而，现在他们青春期正在延长，许多今天的学生并没有肩负起成人的责任。

Travel for an extended period of time.

花一大段时间来旅游。

He repeated a pledge to keep them there for an "extended period."

他重申了再把低利率保持一段时间的承诺。