发布于:2025-07-06 05:38浏览量:50文/优校网
1.支柱,柱石,主要寄托
2.骨干
3.主要的依靠
4.台柱
5.主桅前支索
6.主将
7.大桅拉索
1.the person or thing that something depends on most in order to continue or be successful