Efd
abbr. electro fluid dynamics 电流体动力学; excused from duty 免除责任
🗣️ 情景例句
The crowd flocked around the speaker.
人群聚集在演讲人四周。
I sometimes stay up till midnight.
我有时候熬到半夜。[一般现在时]
Little by little the eleven minutes fell to zero.
慢慢地从11分钟减到了零。