Nigrifies
vt. 使…成黑色；变黑
🗣️ 情景例句
That's out of the question.
决不可能。
Have another piece of cake, please.
请再吃一块蛋糕吧。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。