Petzval theory
[医] 珀兹伐氏学说(镜片像散现象)
🧩 词语组成解析
佩兹伐
🗣️ 情景例句
Your gong fu has a lot of good and bad points, but I'd like to draw particular attention to problems in your footwork.
你的功夫优点和缺点并存，但我希望你能特别要注意你的步法。
Keep up the good work.
再接再厉。
You do not have to devise ways of taking your mind off the journey, for an aeroplane gets you to your destination rapidly.
你不必想办法去摆脱旅途的困扰，因为飞机会迅速地把你送到目的地。