blackens is blacken's Simple Present

blacken

US [ˈblækən]
UK ['blækən]
  • v.使黑;中伤(名誉等);变黑
Simple Present:blackens  Present Participle:blackening  Past Tense:blackened  
v.
1.
使黑,使暗;中伤(名誉等),诽谤
2.
变黑,变暗

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard