mainstay

US [ˈmeɪnˌsteɪ]
UK ['meɪn.steɪ]
  • n.支柱;中流砥柱
  • Web台柱子;主干;主心骨
Plural Form:mainstays  
mainstay
n.
1.
[ususing]
~ (of sth)
支柱;中流砥柱a person or thing that is the most important part of sth and enables it to exist or be successful
Cocoa is the country's economic mainstay.
可可是这个国家的经济支柱。

Sample Sentence

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