Circulation lubrication system
[化] 循环润滑系统
🧩 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
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
What's that?
什么问题？
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。