受凉用英语怎么说短语

"受凉"的英文短语是"catch a cold"。这个短语的来源是由于人体在低温环境下会出现感冒的症状，所以人们就开始用"catch a cold"来描述感冒的症状。
例句：
I caught a cold last weekend because I didn't bring a jacket when I went out at night.
我上周末因为晚上出门没带夹克就感冒了。
Don't stay outside for too long, or you might catch a cold.
别在外面呆太久，不然你可能会受凉。
I always catch a cold when the weather changes.
天气变化的时候我总是感冒。