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
What's wrong?
怎么啦？
Let me think it over,and I'll let you know later.
让我考虑一下，回头再告诉你吧。
Come with me, Mr Tiger, said the monkey. You'll see him yourself.
“跟我来，老虎先生，”猴子说，“你自己见见他吧。”