- 重点词汇
- we're(we are 的常用口语形式);
- servicesn.公共事业机构（或公司）;（提供技术或帮助的）服务;宗教礼仪;礼拜仪式;服务( service的名词复数 );公共机构;业务;服役;
- onceadv.一次;每一次;每隔…一次;曾经;
- cease to停止；不再出现某种情况;
- be useful to对…有益;
- ourpron.我们的，we的所有格形式;
- thempron.他们;她们;它们;指性别不详的人时，用以代替him或her
- expendableadj.可消费的，值得消耗的;
- 相关例句
When several people attest to a pattern of behavior by the harasser, it's harder to dismiss.
当有多人证实骚扰者的行为模式时，（公司）就很难不予理睬了。
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Each of us can attest to your obsession and the consequences of that addiction.
每个人都能作证你上瘾了，都知道上瘾带来的后果。
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Every believer can experience and attest to the truth of the message in their life ( or not).
每个信士都可以在今世体验并证明这个使命是否正确。
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Second, being in technology for30+ years I can attest to the fact that the technology road is bumpy.
第二，投身技术领域三十多年，我对技术进步之路的风云突变深有感触。
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Their requests for anonymity attest to the sensitivity of the subject in this tiny community.
他们都不愿公开姓名，证明了这一话题在这个小社区里的敏感性。
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Keep copies of performance evaluations and memos that attest to the quality of your work.
保留工作表现评估和证明你工作质量的备忘录的备份。
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After all, many studies attest to the value of allowing students to hear books read aloud;
无论如何，很多研究证实了让学生听大声朗读的教材的作用；
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Four series of polysilanes have been synthesized by Wurtz coupling reaction and charact.
用武兹缩合反应合成了四个系列共十九种聚硅烷。
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Frank Mariano negotiates the desert terrain in his battered pickup
弗兰克·马里亚诺驾驶他那辆破烂不堪的皮卡车成功穿越了沙漠地带。
柯林斯高阶英汉双解学习词典
