Electronfractography
断口电子显微镜检验
🗣️ 情景例句
I studied medicine there.
我在那里学医学。
In the crowd, Sam looked aside to avoid seeing her.
在人潮中，萨姆把头转向旁边，免得和她目光相对。
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。