- 重点词汇
- chemicaladj.化学的;化学反应的;用化学方法生成的;
- broughtv.带来( bring的过去式和过去分词 );促使;提供;使朝(某方向或按某方式)移动;
- changevt. 改变,变更;交换,替换;兑换;换衣服(床单);
- newadj.新的,崭新的;新鲜的,新到的;现代的;初次(听到)的;
- throughprep. 穿过;贯穿;从…一端至另一端;透过…看到;隔着…听到;自始至终;从头到尾
- canaux. 能够;可以;有机会;
- bev. 是;有,存在;做,成为;发生;
- materialn.(某一活动所需的)材料;原料;素材;布料;节目
- aboutprep.关于;对于;目的是;为了;涉及…方面;忙于;从事于
- 相关例句
Whenever a chemical change takes place, There is a new substance formed.
每当发生化学变化时, 就有一种新的物质生成.
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The chemical composition and casting technology of the lining were described also.
同时还介绍了该衬板的化学成分和铸造工艺.
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The chemical composition of the pyrolytic oil was clearly known this way.
由此,全面了解了热解油的族分组成和化学组成.
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The infrared spectra ( IRS ) are measured for chemical composition of series gallstones.
用红外光谱法测量了系列胆结石成分的红外光谱.
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The influence of chemical composition on austenitizing temperature was introduced.
介绍化学成分对奥氏体化温度的影响.
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Scientists are predicting long-term changes in the chemical composition of the atmosphere.
科学家预测大气的化学成分将会有 长期 改变.
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