Prelubrication
预先润滑
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
You can count on us.
你可以信赖我们。
I tried to say something, but my mouth was full of cotton wool.
我想说点什么，但我嘴里塞满了药棉。