Sandmark
砂印(轧制时落入耐火材料等物形成的钢板表面缺陷), 夹砂
🗣️ 情景例句
What is language for?
语言到底是用来干什么的？
And to stay ahead of the competition is to openly and freely exchange our opinions.
处于竞争领先地位的方法就是公开、自由交换我们的想法
It really depends on who is in charge.
那纯粹要看谁负责了。