硅藻土 /guīzǎotǔ/ angolul

diatomaceous earth▼(soil consisting of siliceous diatom remains)
noun
[UK: dˌaɪətəmˈeɪʃəs ˈɜːθ] [US: dˌaɪəɾəmˈeɪʃəs ˈɜːθ]