Vacuum piping
[化] 真空管道; 真空管路; 真空管线
🧩 词语组成解析
piping
['paipiŋ]
n. （某种或某长度的）管道;笛声;（食品上装饰用的）奶油花饰;（衣服、椅罩等的）滚边;
adj. 尖声的;高声的;平静的;平和的;
🗣️ 情景例句
How's your family?
你的家人好吗？
A servant is known by his master's absence.
主人不在可以看出仆人的品行来。
But I don't understand. You returned the necklace to me the next afternoon. I remember very well.
不过，我还不懂。我记得很清楚，你们第二天下午就把项链还给我了。