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
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
What will you wear for the party?
晚会上你穿什么？
Come on! shouted everyone, very loudly.
“快！快呀！”每一个人都大声地喊。