Mhd
n. magnetohydrodynamics的简写
🗣️ 情景例句
A serious matter.
一个严重的问题。
Which one do you prefer?
你比较喜欢哪一个？
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。