Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
Where's the coffee?
咖啡在哪？
Thanks a lot. Here.
多谢。这是车费。
Because Manhattan Island is made of solid rock, it is safe to build very tall buildings.
曼合顿岛是由坚固的岩石构成的，这使得兴建大厦非常安全。