Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
Affectionately, Uncle John.
爱你的，约翰叔叔。
Nature is the best physician.
自然是最佳的医生。
He always meant to go back on day, but not to stay.
他总想将来回国看看，但却不愿长期住下去，