豆角的英文：
kidney bean

kidney是什么意思：
n. 肾脏；脾气，性格

kidney of bovine animals
牛属动物腰子

Each man has a pair of kidneys.
每个人有一对肾脏。

Kidney failure (or renal failure )：Partial or complete loss of kidney function.
肾功能衰竭:肾脏功能部分或全部丧失的一种病理状态。

It is a tribute to the capacity of the kidneys to excrete alkali.
这对肾脏排碱功能是个负担。

The function of the kidneys is to excrete waste products.
肾脏的功能是排泄代谢废物。

bean是什么意思：
n. 豆，菜豆，蚕豆，豆荚

You are such a bean brain.
你真是个大傻瓜。

Kidney bean include common bean and scarlet runner bean.
多花菜豆、普通菜豆习惯上称为芸豆。

The bean is difficult to plant.
种豆子很难。

We should not have spilled the beans.
我们不该泄密的。

If we kind of red beans, mung bean, watermelon long drawn!
如果我们种红豆、绿豆，长得出西瓜吗！