Allogonite
磷铍钙石
🗣️ 情景例句
It's me, Grandpa.
是我， 爷爷。
Will you stay there for long?
你会在那儿待很长时间吗？
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。