Seym
abbr. secondary electron yield measurement 次级电子产率测量
🗣️ 情景例句
My car broke down on the road.
我的车在路上抛锚了。
Please make an appointment with my secretary.
请跟我秘书定个见面时间。
As it happens, a razor that is safe in Europe is unlikely to electrocute Americans.
碰巧在欧洲使用安全的剃须刀不大可能使美国人触电身亡，