a sign of rain 是什么意思?整句是：DO YOU KNOW A CLOUDY SKY IS NOT ALAWAYS A SIGN OF RAIN.
问题描述：
a sign of rain 是什么意思?
整句是：DO YOU KNOW A CLOUDY SKY IS NOT ALAWAYS A SIGN OF RAIN.
答
你知道么,阴天不总是下雨的前兆.