Ehd
abbr. electrohydrodynamics 电流体动力学
🗣️ 情景例句
I'm not doing anything.
我没有要做什么。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
It is a world of red sandy deserts (hence its name----the Red Planet),
红色行星），