We substitute margarine for cream because cream is fattening.

我们用人造黄油代替奶油,因为奶油会使人发胖。

As Mr. Sinclair was ill, Mr. Cook substituted as our teacher of chemistry.

由于辛克莱先生病了, 库克先生代任我们的化学老师。

In this cake mixture, you can substitute oil for butter.

在这种做蛋糕的配料中, 你可以用食用油代替黄油。

Can you substitute for the singer who is ill?

你能替一下那位得了病的歌手吗?

He substituted as the typist in the office.

他代替做这个的打字员。

I found someone to substitute for me.

我找到了一个人接替我。

Yogurt is a perfectly acceptable substitute for cream in cooking.

酸奶是烹饪用的特别受欢迎的奶油替代品。

These on reduction with NaBH4 gave exclusively cis-3-heterocycle substituted chroman-4-ols in good yields.

【文摘】3,3-Dibromochroman-4-ones on reaction with different heterocyclic secondary amines gave 3-substituted chromones.

Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical, electric, magnetic properties.

芳基取代聚炔及其衍生物呈出光电磁等许多新颖的性能。

This meat substitute approximates the real thing.

这种肉类替代品与真肉非常接近。

The application of the horizontal Wet-ESP has showed it has reached the environment protection standard of the flue gas from edge scarfer, so it can be substitute for the same type machines imported.

场实测表明,该类除尘器能够满足火焰清理机烟气排放的环保要求,完全可以替代同类进口设备。

So I bought a bag of superphosphate bone meal from a flowerer shop in town at Town God’s Temple Street and mixed it into each pot as a substitute for new earth.

从城隍庙的花店里买了一包过磷酸骨粉，搀和在每一盆泥里，这算代替了新泥。

In order to prevent the reduction of the working accuracy of S1-280 Type Lathe that is made from overwear of main shaft bush bearing, it is substituted with rolling bearing.

原轴支撑滑动轴承轴瓦严重磨损,加工精度降低,故改用滚动轴承支撑。

"If there was a suitable platelet substitute that would be a tremendous achievement for clinical medicine" says hematologist Marcel Levi of the University of Amsterdam in the Netherlands.

“假如能够搞出一种合适的血小板替代品，那将是临医学上一项了不起的成就，”荷兰阿姆斯特丹大学的血液学家马塞尔·利瓦伊说。

The obtained achievement in building material industry is studied, including sintering cement with substituting coal by cokeite and smelting rockwool with substituting coke by cokeite and so on.

本文介绍了采煤副产品～天然焦的特性，并对其在建材行业的开发研究成果进行了评述．要包括天然焦代煤烧制水泥，天然焦代焦炭熔制岩棉等。

Biorefinery is a new industrial mode substituting renewable biomass for unrenewable fossil resource to produce bioenergy or chemicals and securing the sustainable development of social economics.

生物炼制是以可再生生物质资源为原料,生产能源与化工产品的新兴工业模式。

In the first part of this paper, three new ligands with bis(8-hydroxyquinoline) which were substituted by methoxy, butoxy and octoxy were synthesized by Witting-Horner reaction.

自从1987年C.W.Tang等人报道了以8-羟基喹啉铝（Alq3）为发光层制备的高亮度电致发光器件以来，有机金属配合物发光材料及其器件加工工艺成为有机电致发光领域的一个研究热点。

Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.

考虑到着色和浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。

This paper introduced substitutes for lead,leadless frits and leadless glaze formulation design and making techniques,and then expatiated on firing of leadless glazes,plumbeous recontamination,etc.

介绍了铅的替代物、无铅熔块及釉料的配方设计和加工制造工艺,对无铅熔块釉的釉烧、铅的再污染等问题进行了阐述。

Effective, rapid, non volatile, non conflagate, less insitation, recovery use, it is an ideal substitute of gasoline and diesel oil using for cleaning.

清洗效果好、速度快、不挥发、不燃烧,气味小,可重复使用,是替代汽油、柴油清洗发动机的安全、方便的理想产品。