Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
Spring is at hand.
春天即将来临。
Excuse me for being late.
对不起我迟到了。
In my letter, I told her that she could stay with us.
我在信中告诉她，她可以和我们住在一起。