Dannemora
丹内马拉高速钢
🗣️ 情景例句
Yes, sir.
是的， 先生。
How was your flight?
你的航班怎样？
What is needed in the case of noise is a study of large numbers of people living under noisy conditions,
对于噪音问题，需要对大量生活在噪音中的人进行研究，