tick

滴答声, 一瞬间, 壁虱, 褥套, 信用, 赊欠

a metallic tapping sound; any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals; a light mattress

滴答响, 活动

make a sound like a clock or a timer

滴答地记录, 标记号于

make a sound like a clock or a timer

蜱