Epf
abbr. electric and percussion fuze 电爆引信; electric and percussion fuze 电爆引信
🗣️ 情景例句
I know that you do a very big international business,
我知道贵公司在国际贸易方面的生意做得很大，
The class made noticeable improvement.
这班有明显的进步。
Mr. Smith taught English at a school.
史密斯先生在一所学校教英语。