n.支柱，柱石; 骨干，中流砥柱; 主要的依靠; 主桅支索

mainstay支柱
main,主要的，stay,支撑，维持。比喻用法。

mainstay TV host → 王牌主播
mainstay industry → 支柱产业
Mainstay Suites → 门斯特；主流套房酒店；延长期套房饭店
mainstay of the national economy → 国民经济的支柱；国民经济地支柱
mainstay of the economy → 主体经济
mainstay product → 主推产品
Mainstay Motor Inn → 柱石汽车旅馆
Mainstay Suites Chattanooga → 美因斯特查塔努加套房
mainstay business → 支柱业务

1. Cocoa is the country's economic mainstay.
[汉]可可是这个国家的经济支柱。
——来自《权威词典》
2. Agriculture is still the mainstay of the country's economy.
[汉]农业仍然是这个国家经济的主要支柱.
——来自《简明英汉词典》
3. After the father's death the son became the mainstay of the family.
[汉]父亲死后,儿子就成了这个家庭的主心骨.
——来自《现代汉英综合大词典》
4. They were the mainstay in the War of Resistance Against Japan.
[汉]他们是抗日战争的中流砥柱.
——来自《现代汉英综合大词典》
5. This principle of collective bargaining has been a mainstay in labor relations in this country.
[汉]这一集体谈判原则已经成为该国劳动关系的重要基础。
——来自柯林斯例句

【Noun】

1. a prominent supporter;
"he is a pillar of the community"
2. a central cohesive source of support and stability;
"faith is his anchor"
"the keystone of campaign reform was the ban on soft money"
"he is the linchpin of this firm"
3. the forestay that braces the mainmast