弯折的需求曲线的英文：
kinked-demand curve

kinked是什么意思：
n. （绳、头发等的纽）结，（道路等的）弯曲

Be careful not to kink the hemp rope.
小心别把麻绳绞在一起。

The insurance rate for such kink of risk will vary according to the kind.
这类险别的保险费率将根据货物种类而定

The reason for this is that the analysis takes no account of kinking of reinforcement
其理由是分析中没有考虑钢筋的纽结。

demand是什么意思：
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要

It is the demand, stupid.
傻瓜，答案是需求。

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

I demand a recount.
我要求重算。

curve是什么意思：
n. 曲线，弧线，曲面，弯曲；曲线球
v.（使）沿曲线运动

Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位

The road curved sharply to the right.
道路有个急转弯拐向右边。

To bend or curve downward;stoop.
弯向下弯曲；俯曲