Vacuum pipeline
[化] 真空管道; 真空管路; 真空管线
🧩 词语组成解析
🗣️ 情景例句
How long do you intend to stay?
你打算在这儿呆多久？
He has been to America.
他曾去过美国。[表示曾经有过的经验]
The parquet floors shone like mirrors; highly polished silver was displayed in gleaming glass cabinets; even my uncle's huge collection of books was kept miraculously free from dust.
镶木地板洁如明镜，擦得发亮的银器陈列在明亮的玻璃柜里，连姑夫的大量藏书也保存得很好，奇迹般地一尘不染。