Upper cylinder lubrication
[化] 上部汽缸润滑
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
but I'm happy being a photographer.
但我乐于当一名摄影师。
As soon goes the young lamb's skin to the market as the old ewe's.
老羊皮上了市，小羊皮也跟着来。
You can trust us, sir. Let me measure you, sir, for some suits and some shirts too.
先生，您可以相信我们。先生，我来给您量一量套装的尺寸，还有衬衣……。好，请您来看看这些料子。我想您会认为这些料子好得多，更合适得多。