Circulating lubrication
[建] 循环润滑
🧩 词语组成解析
a. 循环的, 流通的\\n[经] 流动
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
Little wealth,little care.
财富少，烦恼也少。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。