“隐形”的英语？

在他头顶上一架隐形飞机嗡嗡地飞过夜空。Above him an invisible plane droned through the night sky.你能问问他是怎么让飞船隐形的 吗 ?Can you ask him how he managed to cloak the ship?你有可以用隐形墨水写字的笔 吗 ?Do you have a pen that writes with invisible ink?...