风速3米每秒在英文中可以表示为"wind speed of 3 meters per second"。
关于来源，"wind speed"是英文中表示风速的常用词汇，它的意思是风的速度。"Meters per second"是一种测量单位，表示每秒钟的距离，在本句中用来表示风的速度。
一些英文例句及其中文翻译如下：
The wind speed was 3 meters per second when the storm hit. (暴风雨来袭时，风速为3米每秒。)
According to the weather forecast, the wind speed will reach 3 meters per second tonight. (根据天气预报，今晚风速将达到3米每秒。)
The wind speed was measured at 3 meters per second during the typhoon. (台风期间，风速测量为3米每秒。)
关于来源，"wind speed"是英文中表示风速的常用词汇，它的意思是风的速度。"Meters per second"是一种测量单位，表示每秒钟的距离，在本句中用来表示风的速度。
一些英文例句及其中文翻译如下：
The wind speed was 3 meters per second when the storm hit. (暴风雨来袭时，风速为3米每秒。)
According to the weather forecast, the wind speed will reach 3 meters per second tonight. (根据天气预报，今晚风速将达到3米每秒。)
The wind speed was measured at 3 meters per second during the typhoon. (台风期间，风速测量为3米每秒。)