a sign of a learning problem是什么意思?

a sign of a learning problem是什么意思? breathe a sign of A sign of sign a letter of commitment no sign =not a sign there was ( )of forced entry.A no sign B not sign 选哪个? black c______ are a sign of rain a sign of recognition on her face ____ ____ of sign is it?it's a warning sign.____ _____of sign is it? beating is a sign of affection .cursing is a sign of love. 求中文翻译 Crying isnt a sign of weakness,its a sign that you truly do care. 英译汉词组a sign of the healthy spirit of China a gesture of ,a sign of ,a symptom of ,a posture of有什么区别? 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. A is not some sign of B,是否定some 还是否定sign it is a sign of的中文意思是什么 请教It's a sign of affection是什么意思? Which of the following is NOT a tiaffic sign There are a lot of sign in the street改错。