Adequate lubrication
[机] 适当的润滑作用壑G核
🧩 词语组成解析
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
What's the area of the Congo in square miles?
在平方英里内刚果的范围是什么？
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。