crawling
n. 表面涂层不均匀，(新鲜涂层上的)龟裂
v. 爬行（动词crawl的现在分词形式）
近义词：swarming，teeming，brimming，overrun，crowded，flooded，packed，creeping，creep，crawl，
英英释义
Noun
- a slow mode of locomotion on hands and knees or dragging the body;
"a crawl was all that the injured man could manage" "the traffic moved at a creep"
- (Miscellaneous Technologies / Building) a defect in freshly applied paint or varnish characterized by bare patches and ridging