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
He reads the headlines, news sections, amusemenu section, sports pages, editorials, and the business section.
他读头条、新闻版、娱乐版、体育版、社会和经济版。
Though thy enemy seem a mouse, yet watch him like a lion.
即使敌人小如鼠，也要防他如防虎。
I'll get another one now, said her mother.Don't worry.
“我这就再去拿一支，”她妈妈说，“别担心。”