Kuchersite
(=Kukersite, Kukursite)波罗的海油页岩
🗣️ 情景例句
It's just ... slow.
只是……太慢了。
Knowledge advances by steps not by leaps.
知识的获得是循序渐进而不是突飞猛进的。
as long as these distinctions between ourselves and the primitive,
只要我们同原始人，我们同野蛮人，