内胆 nei4 dan3

inner container (e.g. the rice pot inside a rice cooker, the vacuum bottle inside a thermos, the tank inside a hot water heater, the bladder of a football)

Traditional: 內膽

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nei4

dan3

📖 Additional Information

English Phonetic: 'inә
Detailed Definition: s. located inward\na. located or occurring within or closer to a center\ns. innermost or essential\ns. exclusive to a center; especially a center of influence