checks up is check up's Simple Present

check up

US 
UK 
  • na.对照;〔美国〕试验(工作的效率,精确程度等)
Simple Present:checks up  Present Participle:checking up  Past Tense:checked up  
na.
1.
检查,核对,对照;〔美国〕试验(工作的效率,精确程度等)

Sample Sentence

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