Clean circulation
[建] 干凈循環, 餾出油循環
?? 詞語組成解析
clean
[klin]
adj. 清潔的;整齊的;新的;正派的;
vt.& vi. （使）清潔;變干凈;除去…的灰塵;使…干凈;
vi. 清掃;
adv. 完全地，徹底地;
n. 打掃;
circulation
[,s?kj?'le??n]
n. 流通，傳播;血液循環;發行量;（某段時間的）社交活動;
circ 圓，環 + ul + ation 表示行為、情況、狀態、過程、結果 → n. 流傳,傳播,發行;發行量;(體液的)循環,(水、空氣等的)流通;(貨幣等的)流通
??? 情景例句
He showed no consideration for his wife.
他從不體貼他的妻子。
It's no trouble at all. I'll carry this suitcase for you.
一點也不麻煩，我來替你提這只箱子。
and at this point, according to my father, I should be looking at farms and cottages in a valley, with the spire of the church of our village showing in the far distance.
照父親的說法，我面前應是一個山谷，有農場與村舍，還可遠遠望見老家村子里的教堂的尖頂。