discoloration
US /dɪˌskʌl.əˈreɪ.ʃən/
UK /dɪˌskʌl.əˈreɪ.ʃən/
名詞
1.
變色
a change to the original color of something that makes it look unpleasant or damaged:
範例:
•
Too much fluoride can cause a harmless discoloration of the teeth.
在 Lingoland 學習這個單詞