Prelubrication
预先润滑
🗣️ 情景例句
Honey, if there were any problems,
亲爱的， 假如有事的话，
Cast not out the foul water till you bring in the clean.
清水未来，莫泼赃水。
Could you explain exactly what you do?
您能确切的解释一下你做些什么吗？