Samiresite
铅铌钛铀矿
🗣️ 情景例句
I care.
我关心。
The people at the party were worried about Janet because no one was aware of where she had gone.
参加聚会的人们都为珍妮物担心，因为没人知道她去哪里了。
Bruce, when did you come to China?
布鲁斯，你什么时候来到中国？