a person who performs, dances to, or enjoys rock music, especially of a particular type (尤指某种)摇滚乐演奏者;摇滚歌手;摇滚乐迷 a punk rocker. 一个鬅克摇滚乐迷。 ■a rock song 摇滚乐歌曲 ■(Brit.)a young person, especially in the 1960s, belonging to a subculture characterized by leather clothing, riding motorcycles, and a liking for rock music (英)摇滚崽(尤指英国20世纪60年代身穿皮衣、骑摩托车、喜欢摇滚乐的亚文化群青少年)
a thing that rocks, in particular 摇的东西,尤指 ■a rocking chair 摇椅 ■short for rocker switch rocker switch的简称 ■a rocking device forming part of a mechanism, especially one for controlling the positions of brushes in a dynamo (尤指用以控制发电机中电刷位置的)摇动装置;摇动操作装置
a curved bar or similar support on which something such as a chair or cradle can rock (摇椅、摇篮等的)弧形弯脚
[mass noun]the amount of curvature in the longitudinal contour of a boat or surfboard (船、冲浪板的)上升弧线