Circulation tube
[建] 循环管
🧩 词语组成解析
circulation
[,sɝkjə'leʃən]
n. 流通，传播;血液循环;发行量;（某段时间的）社交活动;
circ 圆，环 + ul + ation 表示行为、情况、状态、过程、结果 → n. 流传,传播,发行;发行量;(体液的)循环,(水、空气等的)流通;(货币等的)流通
🗣️ 情景例句
And Richard thanks you.
Richard也会感谢你。
A light heart lives long.
心胸开朗，使人寿长。
He used to sleep during the day and work at night, quite unaware of the fact that he had become the ghost of Endley.
白天睡觉，夜里出来干活，一点不知道自己已成了恩得利家场的活鬼。