ticks
名词 tick:
a metallic tapping sound
any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
同义词:tick
a mark indicating that something has been noted or completed etc.
同义词:check mark, check, tick
a light mattress
同义词:tick
动词 tick:
make a clicking or ticking sound
make a sound like a clock or a timer
同义词:tick, ticktock, ticktack, beat
sew
put a check mark on or near or next to