teleconverter英telɪkən'vɜːtəʳ美telɪkən'vɜːtəʳCOCA¹⁸¹²¹⁰iWeb³⁶⁷¹³ 基本例句 n.摄望远倍率镜 Improved the focusing accuracy when using the EC-20 Teleconverter. 改进了对焦准确时，用欧共体20个镜头。 four-thirds Palmer made this digital photo with a500mm lens and a 1.4x teleconverter. 帕默用500毫米镜头和1.4倍的望远倍率镜拍摄的这张照片。 hainet