- 重点词汇
- chemicaladj.化学的;化学反应的;用化学方法生成的;
- 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
- formn.类型;形态，外形;表格;状态;
- scientistsn.科学家( scientist的名词复数 );
- were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
- thatdet. 那个，那;
- have to不得不，只好;只得;必须;不得已;
- compoundsn.场地( compound的名词复数 );复合物;（筑有围墙的）院子;复合词;
- believedv.相信( believe的过去式和过去分词 );认为;以为;对…信以为真;
- xenonn.<化>氙;
- 相关例句
That xenon could not FORM chemical compounds was once believed by scientists . 32.
科学家曾相信:氙气系不能形成化合物的.
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That xenon have to not FORM chemical compounds was once believed by scientists.
科技家曾相信:氙气是不能形成化合物的.
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That xenon could not FORM chemical compounds is once believed by scientwasts.
迷信家曾置信:氙气是不能构成化开物的.
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Man is, Properly speaking, based upon hope; he has no other possession but hope.
适当地说,人是因愿望活着的, 除了盼望, 一无所有.
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Our train leaves at about half past ten, or to be precise, 10 : 33 .
我们乘坐的火车将在大约十点半开出, 准确地说, 是 十点三十三分 开车.
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由于它的利息是固定的, 其价格便随着 ( 确切地说是逆着 ) 通行的银行利率而变化.
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But it's well beyond the reach of the most lovestruck men-50 light years to be precise.
但是这颗钻石是绝大多数热恋中的男人怎么也够不着的 -- 精确的说距离有50光年.
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This method is proved to be precise, accurate and has high recognition rates by experiments.
实验表明,该方法能够实现定位 、 分割、识别棋子准确无误.
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