tuffaceous
adj. 凝灰质的
例句
The tuffaceous blanketed the entire basin.
凝灰岩充填着整个盆地。
It was found that Meiyuan stone is a tuffaceous sandstone of high porosity.
通过岩矿检测，得知梅园石属于凝灰质砂岩，孔隙率较大。
They reported the abnormal uranium content of waters issuing from tuffaceous rocks.
该理论认为，来自凝灰岩的地下水淋蚀铀。
