介质 jièzhì medium Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: medium All meanings 2 jièzhì 2 medium 1storage medium 1 1 sentence for 介质 (jièzhì — medium) 真空不能传声,因为声音的传播需要介质。 zhēnkōng bù néng chuán shēng, yīnwèi shēngyīn de chuánbō xūyào jièzhì. Sound cannot travel through a vacuum because its transmission requires a medium. Source: Dong Chinese Dictionary