Polyforate
多(圆)孔的
🗣️ 情景例句
Columbia's a terrific school.
Columbia，是一所很棒的学校。
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？