Words and expressions
pro n. an argument or a consideration in favor of something 赞成
Please weigh the pros and cons. 请掂量一下赞成的论点和反对的论点。
con n. an argument or opinion against something 反对
the pros and cons 正反双方
experiment n. something that you do to see and study what happens so that you will learn more实验;试验
They made the school a place for scientific experiment.他们把学校变成一个科学实验的场所。
glove n.[c] cover of leather, wool, etc. for the hand手套
I want a new pair of gloves. 我要一副新手套。
gas n. a substance like air which is not liquid or solid; especially the gas you burn in the house to give heat气体
Most matter has three states: solid, liquid and gas.
大多数物质具有三种状态:固态、液态和气态。
liquid n. anything that flows, and is not a solid or a gas液体
Oil and water are liquids. 油和水是液体。
advantage n. something useful or helpful有利条件;优点
He has the advantage of a good education. 他具有受过良好教育的优点。
disadvantage n. small problem; something that makes things hard to do, etc.不便;不利条件
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