今天我们要学的词是 never-before-seen. Never-before-seen 从未见过的。The FBI released never-before-seen photos of the 911 attack on the Pentagon. 美国联邦调查局公布了五角大楼受到911恐怖袭击的新照片。NASA's Juno Spacecraft captured never-before-seen photos of Jupiter. 美国航空航天局的朱诺号太空探测器捕捉到了前所未见的木星图像。好的，我们今天学习的词是 never-before-seen, never-before-seen, never-before-seen...