usefulness例句

There are doubts about the usefulness of these tests.
这些试验是否有用,人们有所保留。

I was persuaded of the usefulness of his new device.
我相信了他的新装置的实用性.

The index adds appreciably to the usefulness of the book.
索引明显地增加了这本书的实用价值.

相关问题
  • usefulness什么意思?

    n.有用,有益,有效,效能...
  • usefulness造句

    Usefulness includes the fact the negatives have been calibrated.所谓有用,是指在底片上要有标度.The theory is of limited usefulness.这个理论用途有限。The report is of potential usefulness to the government.这个报告可能对政府有用。There are doubts about the ...
  • usefulness的音标

    usefulness的音标:usefulness的英式发音音标为:['ju:sfəlnəs]usefulness的美式发音音标为:['jusfəlnɪs]...
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    他还曾遭受心脏病和中风的折磨,但他都顽强地挺了过来。He suffered further heart attacks and strokes, all of which he fought valiantly.用于治疗大出血型中风的外科新技术也在研制之中.And new surgical techniques are also being developed for hemorrhagic strokes.冷却治疗对中风的病人是很普遍...
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    The mountain is encircled by the doughnut - shaped depression of the caldera.山为环形的破火山口洼地环抱着.And while she closed with a happy Scriptural flourish , he " hooked " a doughnut.在她背了《圣经》中的一句妙语格言作结束语时, 汤姆 顺手牵羊 偷了一块油炸面圈.Put dow...
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    He left not a dreg in the glass.他把一杯水喝得点滴不剩.Solubility and amino acid composition of rice proteins from rice flour and rice dreg were analyzed.为探讨热变性米蛋白的性质与结构关系,分析了大米蛋白加热前后的溶解性能和氨基酸组成变化....
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    “ 没 —— 错, 先生, ” 杰瑞带几分抵触地回答说, “ 我对它的确很熟. ”'Ye - es, sir,'returned Jerry , in something of a dogged manner.'I do know the Bailey.'“ 没--错, 先生, ”杰瑞带几分抵触地回答说, “ 我对它的确很熟. ”" Yes, sir,'said Jerry , in s...
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    他向法庭申请保释遭到拒绝。His application to the court for bail has been refused.她被要求向法庭陈述谈话细节。She was asked to recount the details of the conversation to the court.他代被告向法庭陈情说被告十分懊悔.He represented to the court that the accused was ve...
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    Sloping walls on the bulk of the building create an optical illusion.大楼主体的斜墙给人造成一种视错觉。I managed to pull myself up onto a wet, sloping ledge.我终于爬上了一块潮湿倾斜的暗礁。Each firm will face a downward-sloping demand curve.每一家企业都将面临需求曲...
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    vt.制造,生产,捏造,虚构,加工,从事制造n.大量制造,批量生产,工业品...
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    fountain的音标:fountain的英式发音音标为:['faʊntən]fountain的美式发音音标为:['faʊntn]...