key to

US 
UK 
  • Web某物的钥匙或某题的答案;的关键;对……来说是关键
Simple Present:keys to  Present Participle:keying to  Past Tense:keyed to  

Sample Sentence

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