lightspeedCOCA⁸⁷⁵⁰⁶BNC¹⁷³⁹⁹⁵⁺²iWeb⁴²³⁹⁴ 基本例句 影光速侠 Say so long to boring, bulky binoculars and hello to the LightSpeed B20, the first pair with the ability to record voice and video and beam it instantly to another pair up to two miles away. 跟无趣又笨重的老式望远镜告别吧，快来膜拜这款立竿见影 B20：第一款可录音录像并将数据传输到两英里外的另一台望远镜上。 yeeyan