发布于:2025-07-05 23:08浏览量:184文/优校网
1.在国界[公界线]上的
2.两可的,不明确的;语义暧昧的〔尤指近于下流的〕
1.not good enough to definitely pass an examination
2.almost reaching a particular level
3.not clearly belonging to a particular type
1.an imaginary point piding one feeling or state from another, where it is hard to tell the difference between the two