Davisonite
[矿]板磷钙铝石
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
He is the people's choice for president.
他是人民选出来的总统。
At the same price?
价钱一样吗？