Indigos
(indigo 的复数) n. 靛青, 靛蓝色\\na. 靛蓝色的
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
They're all tall, they all have blond hair, and they all seem to have blue eyes, too.
他们都是高个子、金发、看起来也都是蓝眼睛。
What is it?
什么困难。