(noun.) any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals.
(noun.) a light mattress.
(noun.) a metallic tapping sound; 'he counted the ticks of the clock'.
(verb.) sew; 'tick a mattress'.
(verb.) make a sound like a clock or a timer; 'the clocks were ticking'; 'the grandfather clock beat midnight'.
编辑:特伦斯
埃文编辑