Electronfractography
断口电子显微镜检验
🗣️ 情景例句
I remember your parents' first house very well.
我还清楚记得你父母的第一栋房子。
Are you Bill Jones?
你是比尔、琼斯吗？
We have been brought up to fear insects.
我们自幼就在对昆虫的惧怕中长大。