Biochron
生物年代, 较短时期的化石, 生物时
🗣️ 情景例句
You graduated from engineering school.
你是从工学院毕业的。
No man is the worst for knowing the worst of himself.
没有一个人因为他自知最糟就是最糟。
they do not make the further intellectual
但他们没有进一步努力