noun 下载 🔗分享 主心骨，顶梁柱 A chief support. Examples : "Agriculture is the mainstay of this country’s economy." 农业是这个国家经济的顶梁柱。 thing business organization 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 支柱，顶梁柱 Someone or something that can be depended on to make a regular contribution. Examples : "My grandmother is the mainstay of our family; she always provides meals and support. " 我的奶奶是我们家的顶梁柱；她总是为大家提供饭菜和支持。 organization business society 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 主桅支索，主索。 A stabilising rope from the top of the mainmast to the bottom of the foremast. Examples : "The mainstay secured the ship's rigging, preventing the masts from collapsing. " 主桅支索固定住船上的索具，防止桅杆倒塌。 nautical sailing technical 与AI对话词汇游戏阅读练习
