Read Edit View history 瓶胆 píngdǎn thermos liner Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 瓶胆/ 瓶膽 píngdǎn thermos liner noun · The vacuum bottle within the outer case of a thermos. 我不小心把热水瓶的瓶胆摔碎了。 Edit Delete References Add reference No references for this word.
瓶胆/ 瓶膽 píngdǎn thermos liner noun · The vacuum bottle within the outer case of a thermos. 我不小心把热水瓶的瓶胆摔碎了。 Edit Delete