Rovalising
金属磷酸膜被覆法
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
Where can I get my baggage?
我到哪里去拿我的行李呢？
Yes. I went to bed too late last night.
是的。我昨晚睡得太晚。