Discolouration
变[褪, 脱]色, 漂白
✅ 同义词
🗣️ 情景例句
What did you do?
那你们怎么办呢？
At this time of the year farmers plow their fields.
在一年这时候农夫们耕作他们的土地。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。