- 重点词汇
- raisedadj.凸起的;浮雕的;有凸起花纹的;发酵的;
- notadv. (否定后面的词或短语，或作否定的回答)不;(构成动词be、do和have及情态动词can或must等的否定形式，常缩略为n't)没有;否，或许不;（拒绝或不允许）不
- promisedvt.& vi.(promise的过去式或过去分词形式);承诺;允诺;答应;
- usefulnessn.有用，有益，有效;效能;
- ofprep. 关于;属于…的;由…制成;
- andconj. 和，与;而且;于是，然后;因此;
- work efficiency工效，劳动效率;
- accuracyn.精确（性），准确（性）;
- onlyadv.只有;只不过;仅仅;唯有;…才;只能;只会不料;
- qualityn.质量;特性;素质;优质;
- aart. (用于可数名词或单数名词前，表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一（个）;每一（个）;任一（个）;
- 相关例句
The nature of commodity is the characteristic of usefulness, scarcity, limit and exchange.
商品的本质属性是有用性 、 稀缺性 、 有限性和交换性.
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When he retired he felt that he had outlived his usefulness , ie was no longer useful.
他退休时方觉得自己年老无用了.
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Because the carbon content of steel largely determines its usefulness for specific application.
因为钢的含碳量在很大程度上决定了钢在具体应用时的范围.
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Maybe that will combine the usefulness of the two rules, without the drawbacks.
也许这将那两条规则的作用整合到了一起, 没有不好地方.
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Typically, when this occurs there is rapid eye movement, which is characteristic of active dreaming.
通常, 当这种情况发生时,人们的眼部运动总是加快, 这是做梦的特征.
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医源 及环境性失眠.如外界噪声多次打断快速眼球运动睡眠相.
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With some simple properties, particles can usefully illustrate many laws of physics.
粒子具有简单的性质, 可用来阐明物理学的许多定律.
词典精选例句
In these books we are not only most agreeably entertained , but most usefully instructed.
这些书我们不但读起来津津有味, 而且还从中得到许多好处.
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We need to find ways of dealing creatively and usefully with our feelings.
我们需要找到一些既有创意又实用的方法来调整我们的情绪。
《柯林斯高阶英汉双解学习词典》
Make it provide base of vehicle hybrid power system control strategy usefully.
使之有效的为车辆多能源管理系统的控制策略的不断改进提供依据.
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Then for about eight hours of each working day you will I hope, be usefully employed.
然后,每个工作日的另外八个小时里,你将从事有用的职业.
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我们可以把管理费用分为可变费用和固定费用两种.
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进而为磁性研磨加工的推广应用获得了有实际参考价值的工艺参数.
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Occasionally, there were observed specularite particles with their centers usefully converted.
偶尔可见颗粒中心部分未彻底转变完全的镜铁矿.
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