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
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
Never fry a fish till it's caught.
捉到鱼，才煎鱼。
But neither psychiatric interviews nor objective tests were able to show any effects upon these American sailors.
但是，不管是进行精神病学的调查访问，还是进行客观的测试，都不能显示噪音对这些美国水兵有任何影响。