定焦鏡頭 dìng jiāo jìng tóu

DEFINITIONS

  1. prime lens

CHARACTERS

定 dìng
HSK 3
decide, settle, fix
焦 jiāo
HSK 6
burned, scorched; anxious, vexed
鏡 jìng mirror; lens; glass; glasses
頭 tóu head; top; chief, first; boss