红色英文单词是red，red的读音音标是[red]。red可以用作名词和形容词，作名词时中文含义是：红色；红葡萄酒；左翼人士；激进分子，作形容词时中文含义是：红色的；红的；充血的；布满血丝的；红肿的。

一、red词态变化

比较级：redder

最高级：reddest

复数：reds

二、red词语搭配

Red Line红线

Red flag红旗

Deep Red深夜止步

red envelope红包 ; 送红包

三、red双语例句

1.He was annoyed to find himself going red.

他因为发觉自己脸红而懊恼。

2.The lights changed from red to green.

交通灯已由红变绿。

3.His red clothes stood out clearly against the snow.

他的红衣服在白雪中格外显眼。

4.Red wine is fermented at a higher temperature than white.

红葡萄酒发酵的温度比白葡萄酒高。

5.A single red LED shows that the power is switched on.

单支红色发光二极管表示电源已接通。

6.I didn't get a red cent for all my work.

我做了那么多工作，可什么也没得到。