buhrstone
n.砂质多孔石灰岩网络解释.磨石;硅质磨石;石灰岩;细砂质磨石
英[bʌrs\'təʊn] 美[bʌrs\'toʊn]
buhrstone
baculumboundsbourgeoisiebicephalousbrayerbumpkinbracteomaniababyminderbrassingboniestbalmilybrinellingbenzothiazolylbutambenbrutishlybireactantbaffbiserrateboomerbloomer