Interground
相互研磨
🗣️ 情景例句
And this is Shirley and Nicole.
这是 Shirley和 Nicole。
In college I majored in science.What was your major?
在学院我主修了自然科学，你主修了什么？
Sometimes a tame elephant is tethered nearby to give the wild one confidence,
有时，把一头已驯服的象拴在旁边能给野象以信心。