swine flu的意思是“猪流感”，音标为[ˌswɪnɪ ˈfluː]。

释义为：猪流行性感冒。

用法：Swine influenza, or simply swine flu, is a highly infectious disease that affects pigs and is caused by a virus. 猪流行性感冒，简称猪流感，是一种影响猪的高传染性疾病，由病毒引起。

双语翻译：

例句：The swine flu outbreak has been declared a pandemic.

猪流感爆发已被宣布为全球性的。

以上信息仅供参考，建议到英语原版词典获取最精准的含义和用法。

swine flu 是指猪流感，是一种由猪流感病毒引起的人畜共患传染病。

释义：名词，猪流感

用法：可以作为名词或者形容词使用，表示与猪流感相关的意思。

双语翻译：

Swine Flu 猪流感

常见用法：通常用于描述猪流感疫情、传播情况等，例如“Swine Flu has spread to many countries”、“Swine Flu is a serious disease that needs to be taken seriously”等。

例如：The recent outbreak of Swine Flu has caused many people to be afraid of eating pork. 最近猪流感的爆发让很多人害怕吃猪肉。

英语词汇swine flu的意思是“猪流感”，释义为“一种在猪身上引起流感的病毒”。用法如下：

1. swine flu 是一种病毒，通常用来指代当前在全球范围内流行的流感病毒。

2. It is estimated that swine flu has infected thousands of people. 据估计，猪流感已经感染了成千上万的人。

3. The government has taken measures to prevent swine flu from spreading. 政府已经采取措施防止猪流感扩散。

双语翻译举例：

1. Swine flu is a serious virus that can affect humans and pigs. 猪流感是一种严重的病毒，既可影响人类也可影响猪。

2. The best way to prevent swine flu is to wash your hands frequently and avoid touching your face. 预防猪流感的最好办法就是勤洗手并避免用手触摸自己的脸部。

常见短语有：swine flu pandemic（猪流感大流行）、swine flu vaccine（猪流感疫苗）、contain the swine flu outbreak（控制猪流感爆发）等。

以上内容仅供参考，建议到英语词典查阅相关词条。