Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
I'm as healthy as a horse.
我像马驹一样健康。
No great loss without some small gain.
塞翁失马，安知非福。
East,west，home is best.
金窝，银窝，不如自己的草窝。