adj.能航行的，能航海的
Data from Voyager II has presented astronomers with a puzzle about why our outermost planet exists.
“旅行者二号”发回的数据给天文学家们提出了一个难题：离我们最远的那颗行星为什么会存在。
Somehow the geriatric Voyager 2, arthritic and partially deaf, managed to reach Neptune.
得了关节炎而且局部变聋 、 衰老的“旅行者2号”最后总算抵达海王星.
Voyager 2 has proved to be the most successful space probe ever launched.
“旅行者2号”被证明是所曾发射的最成功的宇宙探测器.