Raffinal
高纯度铝
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
We really wish you'll have a pleasant stay here.
我们真诚地希望你们在这里过得愉快。
I can set up a tour next week.
我可以安排在下个礼拜参观。