- 重点词汇
- crumbledv.（把…）弄碎， （使）碎成细屑( crumble的过去式和过去分词 );衰落;坍塌;损坏;
- wepron. 我们，咱们;笔者，本人;朕;人们;
- showedv. 给…看( show的过去式和过去分词 );表现出;显露出;上演;
- spinesn.脊柱( spine的名词复数 );脊椎;（动植物的）刺;书脊;
- Mountainsn. 山，山岳( mountain的名词复数 );山脉;群山;
- theirdet.他们的；她们的；它们的;（在提及性别不详的人时，用以代替his或her）;
- uspron. 我们(we的宾格);（泛指包括自己在内的）人们
- andconj. 和，与;而且;于是，然后;因此;
- prehistoricadj.史前的;陈旧的;
- 相关例句
The teacher told the students to straighten themselves up, or their spines would get bent.
教师告诉学生们要坐直, 否则他们的脊柱会变弯的.
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B A form with remarkably long spines on its neck.
[A]阿马加龙是一种很奇怪的蜥脚类恐龙,他背上有两排鬃毛状的长棘,它的用途还是不得而知.
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Occasional enlarged and rounded spines were also seen in control slices.
偶尔在对照的脑片上可以看见增粗和圆形的树突棘.
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Spines-this expression has been used by various writers with considerable latitude.
刺,许多作者把这个词用在相当广泛的含义上.
词典精选例句
根据圆形喷丝板的特点,设计了喷丝板自动检测系统.
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工业化试验表明:当喷丝头负拉伸率为-73%时,纤维可纺性达到最佳状态.
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The solution is filtered and pumped through the fine holes of a spinneret.
纺丝液经过滤后,借助于泵的压力穿过喷丝头的细孔.
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分析喷丝头拉伸比对纤维的聚集态结构及性能的影响.
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The recovery process of monomer smoke at strand spinneret from nylon 6 production was analyzed.
分析比较了尼龙6生产中注带处单体烟的几种回收方法.
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There are forest, spinney , open woodland, plough field, grass and rock around the Great Wall.
长城周围的土地利用类型主要有有林地, 灌木林, 疏林地, 耕地, 荒草地和裸岩.
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She was sitting at a spinning wheel , spinning silken threads of many colors.
她正坐在一辆纺车前, 织着各种颜色的丝线.
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