Petzval theory
[醫] 珀茲伐氏學說(鏡片像散現象)
?? 詞語組成解析
佩茲伐
??? 情景例句
A downpour like this never lasts long here at this time of year.
這里每年這個時間象這樣的大雨不會下得很久的。
It's an air-conditioner.
這是空調。
After I had left a small village in the south of France, I drove on to the next town.
在離開法國南部的一個小村莊后，我繼續駛往下一個城鎮。