Hde
abbr. homogeneous differential equation 齐次微分方程; hydrodynamic equation 流体动力学方程; high density encoding 高密度编码; Higher Diploma in Education 教育学高级证书
🗣️ 情景例句
The mailman just dropped some mail in our box, Grandpa.
邮差刚刚塞进一些信件在我们的信箱， 爷爷。
To be of use in the world is the only way to be happy.
为善最乐。
Open the window and air the room.
打开窗子，给房间通通风。