Washmarking
波纹, 波纹面(钢锭表面缺陷)
🗣️ 情景例句
Sounds fine, Robbie.
听起来不错 Robbie。
Worry kills more men than work.
忧虑比劳累更伤人。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？