before-and-after的意思|示意
表示出外形上的尖锐对照
before-and-after的用法详解
before-and-after 是一组连词，常用来表示“之前和之后”的比较。在句子中，它们分别位于“before”的后面和“after”的前面。它们可以用来比较状态、动作和变化之间的关系，表示一个事物在另一个事物发生之前和发生之后的变化。
下面举一些 before-and-after 的用法例句。
1. Before-and-after pictures show how much the area has changed.
这组连词用来比较地区发生变化之前和之后的照片。
2. We can compare before-and-after figures to determine the impact of the policy.
我们可以比较发生变化之前和之后的数据，以确定政策的影响。
3. He took some before-and-after pictures of the project.
他为该项目拍了一些发生变化之前和之后的照片。
总之，before-and-after 是一组连词，常用于表示“之前和之后”的比较，用来比较状态、动作和变化之间的关系，可用于很多场合。
before-and-after相关短语
1、 Before and after 前后,凶杀后,天伦劫
2、 before and after pump 备用泵,待机备用泵,详细翻译
3、 before and after clause 装前卸后条款,前后条款,装前卸后条款前后条款
4、 before and after test 前后试验,详细翻译
5、 before and after comparison 前后对比,前后对比法
6、 before and after studies 事前及事后研究
7、 before and after the duel 决战前后,详细翻译
8、 look before and after 瞻前顾后,翻译
9、 Before and after dialysis 透析前后
before-and-after相关例句
We have experimental and observational evidence concerning things which happened before and after the origin of life.
有关生命起源前后发生了什么，我们通过实验和观察得出了一些证据。
柯林斯例句
Auer bodies were seen in 2 cases before and after culturing.
2例在培养前后的幼稚细胞中均见到了Auer小体.
互联网
Differences were significant before and after temperature conversion experiment.
温度转换实验前后差异有统计学意义.
互联网
They also had talk therapy with a nurse before and after quit day.
他们还在戒烟日前后与一名护士进行了谈话治疗。
You should bleed your radiator before and after every winter.
你应该在每个冬季前后排空暖气管里的水.
互联网
Choices are different before and after they get married.
他们在婚前和婚后的选择是不同的.
互联网
Assist Sales to before and after service to customer , improve customer satisfaction.
协助销售部门的售前和售后服务, 不断提高客户满意度.
互联网
Now women work both before and after having their children.
如今，女性在生孩子前和生孩子后都工作。