rhubarb

/'ru:bɑ:b/

BNC频率: 22068

现代语料频率: 16526

GRE

中文翻译

n. 大黄, 大黄根

英文解释

n. plants having long green or reddish acidic leafstalks growing in basal clumps; stems (and only the stems) are edible when cooked; leaves are poisonous

词态变化

过去式:rhubarbed

常见例句

A glucoside extracted from rhubarb as a bitter, yellow, crystalline powder, and yielding chrysophanic acid on decomposition.

An orange-red crystalline substance, C15H10O5, obtained from the buckthorn, rhubarb, etc., and regarded as a derivative of anthraquinone

-- so called from a species of rhubarb (Rheum emodei).

Of or pertaining to a natural order of apetalous plants (Polygonaceae), of which the knotweeds (species of Polygonum) are the type, and which includes also the docks (Rumex), the buckwheat, rhubarb, sea grape (Coccoloba), and several other genera.

past tense of rhubarb n