AFR是一个常用的缩写词，可以有以下几个方面的解释：
1. AFR缩写词，可以表示“Air Fuel Ratio”（空燃比），指燃油与空气的比例，是发动机燃烧过程中的重要参数。
例句：
– The ideal AFR for gasoline engines is generally considered to be around 14.7:1.
– AFR sensors can be used to measure the air fuel ratio in real-time and adjust engine performance accordingly.
2. AFR也可以表示“Afrikaans”（南非荷兰语），是南非的语言之一，主要使用于南部非洲的民族之间的交流。
例句：
– Many schools in South Africa teach AFR as a second language.
– AFR is derived from Dutch, and is closely related to Flemish spoken in Belgium.
3. AFR还可以表示“Afrikaner”（南非白人），这是南非的一个种族群体，主要由荷兰、法国和德国移民的后代组成。
例句：
– AFRs have played a prominent role in South African culture and politics for centuries.
– The history of AFRs in South Africa is a complex and often controversial topic.
4. 最后，AFR也可以是“Alternative Fuel Vehicle Retrofit”（替代燃料车改装），指将传统燃油车转换为使用可再生能源或其他替代燃料的车辆。
例句：
– Many governments offer incentives to encourage AFR conversions as a way to reduce emissions and promote sustainable transportation.
– AFR retrofits can be expensive, but can also result in significant fuel cost savings over time.
总之，AFR是一个具有多重含义的缩写词，其解释和用法视情况而异。以下是五个中英例句：
1. The AFR sensor in my car needed to be replaced, so I had to take it to the mechanic. (空燃比传感器)
我的车上的空燃比传感器需要更换，所以我得把它送到修理厂。
2. As an Afrikaans speaker, I find it easy to communicate with Dutch and Flemish people. (南非荷兰语)
南非荷兰语使用者，我觉得跟荷兰人和佛兰芒人交流很容易。
3. Despite efforts to promote racial reconciliation, many Afrikaners still harbor deep-seated resentment towards black South Africans. (南非白人)
尽管有推动种族和解的努力，但许多南非白人仍然怀有对黑人南非人深深的怨恨之情。
4. The government’s AFR retrofit program has been very successful in reducing emissions in areas. (替代燃料车改装)
的替代燃料车改装计划在减少城区排放方面非常成功。
5. The AFR movement advocates for greater representation of African artists in international art markets. (非洲艺术运动)
非洲艺术运动主张在国际艺术市场上更多地代表非洲艺术家。
中文翻译：非洲
读音：ā fù ěr
例句：
1. The Afr continent is home to a diverse range of cultures and wildlife.
非洲是多元文化和野生动物的家园。
2. Afr is the second largest continent in the world, after Asia.
非洲是世界上第二大洲，仅次于亚洲。
3. Many people are working to improve education and healthcare in Afr.
许多人在努力改善非洲的教育和医疗条件。
afr在英语中代表”空燃比、俄”的意思，在日常中也代表”平均尿流率”的意思，单词读音音标为[afr]，afr在英语中经常以名词形式出现，在《英语自学简明词典》中，共找到84个与afr相关的例句。
1.空燃比
2.俄
3.平均尿流率
4.人名、平均尿流率
afr一般作为名词使用，如在AFR(容许故障率,人名 俄 阿夫尔)、N.Afr.(abbr. North Africa 北非；North African)、S.Afr.(abbr. (=South Africa))等常见短语中出现较多。
