Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
Sure.
当然。
He ran like hell.
他拼命跑。
A few peopple in each group are given the task of remembering the group's family history that goes back over centuries.
每一个家族都有几个人担任记忆延续了几个世纪的家史的任务。