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noun | adjective | to phrases
trass [træs] n
gen. 浮石; 粗面〔浮石〕凝灰岩
archit. 浮石火山灰
trass [træs] adj.
eng.geol. 火山土; 烧结黏土熟料
hydroel.st. 火山灰; 粗面凝灰岩
oil 浮石凝灰岩
tech. 浮石火山灰; 火山凝灰岩
trass: 33 phrases in 3 subjects
Architecture3
Hydroelectric power stations3
Technology27