简体中文版 | English Version | EBooks(電子書)

EnMama.net

Hornstone

[hɒ:nstәun]

解釋/意思:

(n.) A siliceous stone, a variety of quartz, closely resembling flint, but more brittle; -- called also chert.

埃德加整理

About(关于我们)|Sitemap(网站地图)

Copyright © 2018 EnMama.net. All rights reserved.