rhubarb
/ˈru:bɑ:b; `rubɑrb/ n[U]
1 (garden plant with) fleshy reddish leaf-stalks that are cooked and eaten like fruit 大黄; 大黄茎
[attrib 作定语]
rhubarb pie 大黄馅饼.
2 (infml 口) (word that crowd actors repeat to simulate the babble of voices on stage 为制造人声嘈杂的舞台效果, 群众演员反复说的道白).