Aerodynamical balabce
[机] 气力天平, 风压天平
🧩 词语组成解析
空气动力
🗣️ 情景例句
I received a letter from my parents this morning.
今天早上我收到父母一封信。
It's a sunny day.
今天是个艳阳天。
Do you usually buy in large quantities?
你们的订购量通常都很大吗？