variable-focal-length lens編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看variable-focal-length lensvariable-focal-length lens — 名詞名詞1. a lens whose focal length can be changed1.名詞釋義變焦鏡頭a lens whose focal length can be changed例句The photographer used a variable-focal-length lens to zoom in on the subject.