◎ lag是什么意思 n. 落后, 囚犯, 迟延, 桶板, 防护套a. 最后的vi. 落后, 蹒跚, 缓缓而行, 滞后vt. 落后于, 押往监狱, 加上外套[计] 延迟; 落后 v. hang (back) or fall (behind) in movement, progress, development, etc.v. throw or pitch at a mark, as with coinsv. cov...