"chief support," 1787, figurative use of a nautical noun meaning "stay which extends from the main-top to the foot of the foremast" (late 15c.), from main (adj.) + stay (n.).
雙語例句
1. Cocoa is the country's economic mainstay.
可可是這個國家的經濟支柱。
來自《權威詞典》
2. Agriculture is still the mainstay of the country's economy.
農業仍然是這個國家經濟的主要支柱.
來自《簡明英漢詞典》
3. After the father's death the son became the mainstay of the family.
父親死后,兒子就成了這個家庭的主心骨.
來自《現代漢英綜合大詞典》
4. They were the mainstay in the War of Resistance Against Japan.
他們是抗日戰爭的中流砥柱.
來自《現代漢英綜合大詞典》
5. This principle of collective bargaining has been a mainstay in labor relations in this country.