n. 滴答声, 一瞬间, 壁虱, 褥套, 信用, 赊欠
vi. 滴答响, 活动
vt. 滴答地记录, 标记号于
英文释义
n. a metallic tapping sound
n. any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
n. a light mattress
v. make a sound like a clock or a timer