Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
Just the regular.
平信就好了。
I told him to come in for a few minutes.
我告诉他进来等几分钟。
Another man lit a cigarette but it burnt strangely and so he too put it out.
另一个工人点燃一支烟，但烟燃得怪怪的，于是他也把烟灭了。