Indigometer
靛蓝计
🗣️ 情景例句
Robbie! Who is it? Robbie
是谁呀？
Poor but honest.
虽贫穷，要诚实。
Its wool, which had been dyed black, had been washed clean by the rain!
原来羊毛上染的黑色被雨水冲掉了！