Interground
相互研磨
🗣️ 情景例句
That's fine. I think I can wait till then.
好的，我想我可以等到那时候。
Pat, pat. He is patting the kid on his head.
拍，拍。他在轻拍着那个小孩的头。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。