- 重点词汇
- givesv.给予，赠送，提供( give的第三人称单数 );
- outadv. 出局;在外，在外部;完全，彻底;出版;
- offprep. 从…落下;离开;从…去掉;下班;
- andconj. 和，与;而且;于是，然后;因此;
- heatv.把…加热;
- lightn.光;发光体;点火物;眼光;亮色;窗;
- chemical change化学变化;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- 相关例句
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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An antioxidant is a chemical compound or substance that inhibits oxidation.
抗氧化物是一种化学复合物或物质,可抑制氧化.
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Chemical formula: Expression of the composition or structure of a chemical compound.
化学式: 化合物的组成或结构的任何一种表达式的总称.
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Transfer of an amino group from one chemical compound to another.
转氨作用将氨基从一种''.'化合物'.''转移到另一种''.'化合物'. ''.
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