焦头，jīao tóu，ㄐㄧㄠ ㄊㄡˊ，疲惫不堪。
变焦头 zoom lens
焦头烂额 Scorched
变焦镜头 zoom lens ; Vari-focal lens
定焦镜头 Prime lens ; Fixed Focal Lens ; prime lens
焦头烂额的 terribly defeated ; burned
聚焦探头 Focusing probe ; focusing type probe
我们有时焦头烂额 Sometimes we are completely exhausted
镜头变焦 Lens Zoom
长焦距镜头 Telephoto lens ; tele lens ; [光] [摄] long-focus lens
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