Magnaglo
电磁紫外线探伤法, 玛格纳络磁性粉末
🗣️ 情景例句
His wife just found out about his mistress.
他的妻子刚刚发现了他有外遇。
May I borrow your book?
我能借你的书吗？
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。