堵塞

to clog up / blockage

to block up (a road, pipe etc) / to stop up (a hole) / (fig.) (of a person) choked up with anxiety or stress / wall (literary) / (classifier for walls)

Serbia / Serbian / abbr. for 塞爾維亞|塞尔维亚[Sai1 er3 wei2 ya4]

to stop up / to squeeze in / to stuff / cork / stopper

strategic pass / tactical border position

to stop up / to stuff / to cope with