西瓜西瓜呼叫夏天夏天夏天回答西瓜
[xī guā xī guā hū jiào xià tiān xià tiān xià tiān huí dá xī guā]
'Watermelon calling Summer; Summer, answer Watermelon!' It’s a whimsical play on summer associations like watermelons. Likely conveys joy and lightheartedness during summertime.