Unverified80% confidenceCautionTime unknown
变色杯（遇热水显现照片的黑膜杯）本质是热敏涂层，遇热才显图、常温为黑色，且不可放洗碗机、涂层寿命有限，仅适合作创意礼品而非日常用杯
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
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