Birkremite
(charnockite)紫苏花岗岩
🗣️ 情景例句
I know.
我知道。
I often brush my teeth in the morning.
我常常在早上刷牙。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。