日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

coalification

音標(biāo)[kəulifi'keiʃən]
coalification是什么意思、coalification怎么讀

coalification漢語翻譯

n. 煤化

coalification詳細(xì)解釋

coal.i.fi.ca.tion

n.(名詞)
Compression and hardening over long periods of time, the processes by which coal is formed from plant materials.
煤化作用:經(jīng)過長期壓縮和硬化,植物成煤的過程

0
糾錯