thousands of the little yellow blossoms all swaying to the light wind(W.H.Hudson.To rock is to swing gently or rhythmically or sway or tilt violently:

• 千万朵小黄色在微风中轻轻亿 H 哈德森）。Rock是指温柔而有节奏感的摇动或猛烈的亿或倾斜：