Hand lubrication
[机] 手工润滑
🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
Mary is not available at the moment.
Mary现在没空接电话
What time does the train for Boston leaves?
去波士顿的火车几点开？
In democratic countries any efforts to restrict the freedom of the press are rightly condemned.
在民主国家里，任何限制新闻自由的企图都理所当然地受到谴责。