Hypersonics
特超聲(速空氣動力)學
??? 情景例句
Are you all right?
你怎么了？
The worst traffic condition of the town
鎮上最擁擠的交通狀況
It is hard for energetic, quick-minded people to waste time,
他們常常受到責備，精力充沛、頭腦敏捷的人極不愿意浪費時間，