Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
The school was attended almost entirely by local children.
上这所学校念书的几乎全是当地的孩子。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
I gave up in despair.
我无可奈何，只好罢休。