热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

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(cuò)