查询词典 a waste of time

Especially at the stage of middle school when there are the most subjects and the stage lasts the longest, if you waste time so that you haven't learnt well what you should, you can hardly reacquire the knowledge after you have taken a job.

特别是中学阶段，学习的科目最多，学习的时间最长，如果在中学阶段不抓紧时间把该学的东西学好，等上班之后再补学中学知识，几乎不可能。

After 3 hours rection time, the removal of COD and NH3-N are up to 95% and to 70%;(3) A polot (0.25t/h) study of municipal waste water treatment by photocatalysis-ozonation was done in Wuhan municipal wastewater treatment plant.

结果表明，在反应3hr后，废水中COD去除率达到95%，氨氮去除率达到70%；(3)在武汉水质净化厂完成了UV/ TiO_2/O_3法处理城市污水中试研究(0.25t/h)，在停留时间为2hr时，COD出水低于30mg/L，此时吨水处理成本为2.56元。

Therefore, lots of pavements need to repair in large-scale even repave wholly after using a long time, which will bring large numbers of waste asphalt mixture.

因此，沥青路面使用一定年限后必须进行大面积的维修，甚至全路段铣刨，重新铺筑。

Such waste silk with high oil content as bisu and spotted cocoon are degumming once with degreasing agent PT-1 and Tz-2 instead of schapping processing used for a long time in the past.

使用脱脂助剂PT 1、TZ 2一次练滞头、黄斑茧等含油高的原料，代替过去长期使用的腐化练工艺，减少了丝纤维的受损程度，既可减轻劳动强度，提高劳动效率，节省水、电、汽，又可提高练折、梳折和纤维长度，使丝纤维色泽更白净，提高滞头类绢纺原料的品位。

For a factory to work efficiently（well, quickly and without waste）,for example, all of the workers must work at the same time.

比如：一个工厂想要有效的工作，所有的工人必须同时工作。

Wrangles in the deadlocked parliament over the election of a new president waste time.

关于举行新一任总统选举的争论在议会僵持不下，耗费时日。

The drip-drip-drip of a leaky faucet can waste huge amounts of water over time.

从一个漏水的水龙头滴下的水，久而久之就会浪费大量的水资源。

The stack 2 is provided to ensure that the gases are contained and combusted at a suitable temperature for an extended period of 15 time to ensure the destruction of sufficient combustible gas in the waste gas.

烟囱2的作用是确保气体在适当温度下多燃烧一段时间，从而确保对废气中的可燃烧气体进行充分燃烧。

2Pay a processing fee of US$200 for the visa and work permit arrangement with this following requirement,you will be opportune to come and sign for our club.there is no much time to waste because we are starting the club October immediately after the launching on the 30th September;and all serious players will be considered,if you are really interested inform us immediately to start the processing immediately.

我将会支付你和陪同你的人前往俄罗斯的飞机票的费用。现在你所需要做的就是扫描你护照的资料页然后通过Email寄给我，并将200美元的操作过程费通过西联汇款汇给我，之后我会在2周之内做好所有必要的安排。如果你已经准备好了要继续下去就告诉我，这样我就可以给你一个汇款的指定姓名和住址。

They exist only a short time and then slowly waste away just as unnoticed.Objects of sheerest beauty they have been called.

冰山呈现出千姿百态，可能白得耀眼，或者是闪耀着蓝色绿色或紫色的玻璃般的光芒，或浓或淡。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。