有用: useful; serviceable 短语和例子这对我们的工作非常有用。 it is of great use for our work.; 有用词 go-word; 有用功 useful work; 有用功率 available power; 有用热功率 useful thermal power; 有用信号功率 available signal power; 有用载荷
Can helpfully be contrasted with several other xml - related modules 能非常有用地与几个与xml相关的其它模块相对照。
2.
The waste water is initially stored in a series of ponds in which the anaerobic and aerobic treatment is sufficient to irrigate crops 废水最初放置在一种池子里，使其需氧与厌氧的效应能有用地用于灌溉作物。
3.
I believe that the rendering of useful service is the common duty of mankind and that only in the purifying fire of sacrifice is the dross of selfishness consumed and the greatness of the human soul set free 我相信，人类共同的职责是有用地服务社会，只有在自我牺牲的炼火中，自私的沉渣才会被焚为灰烬，人类灵魂中的伟大情操才会显现。
