Fractograph
断口组织(金属断面)的显微镜照片
🗣️ 情景例句
I've seen pictures of him.
我见过他的照片。
Love is sweet in the beginning,but sour in the end.
爱情先甜后来酸。
What I saw made me very sad.
我所见到的一切使我非常难过。