Knotholes
(knothole 的复数) n. 节孔
🗣️ 情景例句
Since English is not your native tongue.
因为英语不是你的母语。
May I introduce you to my friend Susan?
恕我介绍一下我的朋友苏珊。
The firm closed down because there wasn't enough demand for its product.
工厂关门了，因为产品供过于求。