Stottite
羟锗铁矿
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。