Liquid lubrication
[机] 液体润滑
🧩 词语组成解析
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
It's no big deal.
没什么大不了的。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
She was injured badly in the accident.
她在这次意外中受到重伤。