rocker
名词 rocker:
an attendant who rocks a child in a cradle
a performer or composer or fan of rock music
a teenager or young adult in the 1960s who wore leather jackets and rode motorcycles
a chair mounted on rockers
同义词:rocking chair
a trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold
同义词:cradle
an ice skate with a curved blade
a curved support that permits the supported object to rock to and fro