形容词
1. invisible的解释
1. It was so cloudy that the top of the mountain was invisible.
天很阴，看不见山顶。
2. invisible的反义词
2. Germs are invisible to the naked eye.
细菌是肉眼所看不见的。
3. The differences are almost invisible.
这些差别简直难以辨认。
4. invisible的意思
4. Insurance is one of Britain's most profitable invisible exports.
保险业是英国获益最大的无形出口之一。