tropel

美 　英

• 網(wǎng)絡(luò)康寧；特羅佩爾

例句

Issued by the CIA in the late 1970s, this fountain pen was one of three different designs created to conceal a Tropel lens.

美國中情局在上世紀(jì)七十年代末投入使用的這款鋼筆相機(jī)是為了隱藏Tropel鏡頭而設(shè)計(jì)的三種不同設(shè)備中的一種。