Acanthite
[机] 螺状硫银矿
🗣️ 情景例句
What are you so upset about?
什么使你如此难过？
Times have changed.
此一时也，彼一时也。
but although our faith in many of the things in which our forefathers fervently believed has weakened,
可是虽然我们对我们祖先笃信的许多事物已不太相信，