?可换物镜
... lens 可换透镜 convertible objective 可换物镜 convertible Protar lens 可换普塔镜头 ...
可转换摄远物镜
However, that objective (price stability) is more credibly attainable under a convertible currency than a pure fiat money.
FORBES: Ben Bernanke's QE4: Another Step Toward Helicopter Money, And Away From Freedom
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。