Seelandite
水镁铝矾
🗣️ 情景例句
Would you please hand me your customs declaration form?
请出示您的申报表给我？
We are sorry to delay the shipment because our manufacturer has met unexpected difficulties.
恕延期货船，因为我们厂家遇到了预料不到的困难。
Is that all?
就是这些吗？