Hypersonics
特超声(速空气动力)学
🗣️ 情景例句
You do. You do. There's a book here.
当然 ，当然。书要出版。
Every fool can find faults that wise man cannot remedy.
蠢人也能找出聪明人无法弥补的岔子来的。
I forgot to prepare the speech I'm supposed to give today.
我忘了准备今天的我该做的演讲了。