a spherical green seed which is widely eaten as a vegetable 豌豆 ■[with modifier]any of a number of edible spherical seeds of the pea family, e.g. chick pea and pigeon pea 豆科植物可食用的圆形种子 ■(W. Indian)any legume, including peas, beans, or lentils, eaten as a vegetable (西印度)豆荚(当作蔬菜的任何一种豆,包括豌豆、菜豆或小扁豆)
the hardy Eurasian climbing plant which yields pods containing these seeds 豆角
Pisum sativum, family Leguminosae (or Fabaceae; the pea family). The members of this family (known as legumes) are sometimes divided among three smaller families: Papilionaceae (peas, beans, clovers, vetches, brooms, laburnums, etc.), Mimosaceae (mimosas, acacias), and Caesalpiniaceae (cassia, carob, and many tropical timber trees) 拉丁名Pisum sativum,豆科。这一科的成员(被称作豆科植物)有时被分成三个更小的科:蝶形花科(豌豆、菜豆、苜蓿、野豌豆、金雀花、金链花等)、含羞草科(含羞草、金合欢)、苏木科(肉桂、长角豆,以及很多热带的木材树种) ■used in names of other plants of this family which yield round seeds or have flowers resembling those of the pea, e.g. sweet pea [用于这一科中开类似豌豆属花的其他植物名称中,如sweet pea]
常用词组 like peas (或 two peas) in a pod
so similar as to be indistinguishable or nearly so 一模一样
pea-like adjective 语源
mid 17th cent.: back-formation from pease (interpreted as plural)