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
Yes, Richard.
说吧， Richard。
Silverwind took a firm grasp of his axe.
银风紧握住斧柄。
Ann ran to the door, and found Li Lei outside.
安跑到门口，看见李磊在门外。