基质 /jīzhì/ angolul

matrix [matrices | matrixes]▼(analytical chemistry: sampling environment)
noun
[UK: ˈmeɪ.trɪks] [US: ˈmeɪ.trɪks]

stroma [stromata]▼(the tissue structure of an organ)
noun
[UK: ˈstromə] [US: ˈstromə]