Definition: impossible to see Level: B2
新的迷彩服使士兵在森林中隐形。
The new camouflage makes soldiers ___invisible in the forest.
从这个角度，由于雾，岛屿看不见。
From this angle, the island is ___invisible due to the fog.
在故事中，英雄使用斗篷变得隐形。
In the story, the hero uses a cloak to become ___invisible.
