- 重点词汇
- 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;
- pitchn.(体育比赛的)场地;程度,顶点;音高;沥青;
- resinn.树脂;合成树脂;松香;
- moldingn.成型;制模;铸造;[建]凹凸形;
- phenolicadj.酚的,石碳酸的;
- preparedadj.有所准备的;愿意的;事先做好的;
- andconj. 和,与;而且;于是,然后;因此;
- byprep. 在…旁边;表示方式;由于;经过;到…之前;
- withprep. 具有;和;用;有;以;跟;同;带有;使用;和…在一起;借;与…对立;关于;包括;因为;由于;与…方向一致;由…持有;为…工作;虽然;作为…的成员,为…所雇用;具有,有,带有;在…身上,在…身边;由于,因;在…那里,在…看来
- carbonn.碳;复写纸;
- 相关例句
The resistance of epoxy-modified phenolic resin to medium in oil well was mainly discussed.
重点研究了环氧改性酚醛树脂在油井防砂中的耐介质情况.
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A manufacturing process of high performance coated sand phenolic resin was introduced.
介绍了一种高性能覆膜砂用酚醛树脂的制作工艺.
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The heat-resistant of the modification phenolic resin had been improved markedly.
研究表明,改性后酚醛树脂的耐热性得到了显著的改善.
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An avid stamp collector , John rides the subject pretty hard whenever it is introduced.
约翰是个热心的邮票收藏家, 只要有人提起集邮,他就会滔滔不绝.
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Although I don't collect photos or postcards, I am an avid stamp collector.
尽管我不收集照片或明信片, 我却是个热心的邮票收集者.
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