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
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
The eye is blind if the mind is absent.
心不专则眼不明。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，