Telephoto zoom lens only 3.1 in. (78.5mm) long and weighing only 8.8 oz. (250g), making it very easy to carry around.是什么意思_Telephoto zoom lens only 3.1 in. (78.5mm) long and weighing only 8.8 oz. (250g), making it very easy to carry around.在线翻译_英语_读音_用法_例句