Permeometer
织物透气性测试仪
🗣️ 情景例句
thank you very much.
十分感激你。
Thank you very much.
非常感谢。
Meanwhile, a number of university students have volunteered to drive buses while the strike lasts.
与此同时，有一部分大学生自愿在罢工期间驾驶公共汽车。