Seym
abbr. secondary electron yield measurement 次级电子产率测量
🗣️ 情景例句
Let's dance.
咱们跳舞。
I had a shot of penicillin.
我打了一针青霉素。
Byrd at once ordered his men to throw out two heavy food sacks.
伯德马上命令他的助手们把两个沉重的食物袋扔掉，