Algefacient
清凉剂
🗣️ 情景例句
Without that, it's hard.
没有就难办了。
You have a radio,don't you?
你有一台收音机，对吗？
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！