Micropegmatite
微文象岩
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。