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
Grandpa, you are a terrific guy!
爷爷， 你真了不起！
This mountain range has many high peaks and deep canyons.
这条山脉有许多高山峰和深峡谷。
I have just received a letter from my brother, Tim.
我刚刚收到弟弟蒂姆的来信，