Washmarking
波纹, 波纹面(钢锭表面缺陷)
🗣️ 情景例句
Well, I'm involved with an organization,
嗯 ，我参加一个组织
Come back!
回来！
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。