curve 指变成曲线或弧线状的动作或状态。
bend 普通用词，指把某物变成曲线或角形。用于人时，指头部或身躯弯下。
bow 指把头部或上身弯向前方的动作，也指社交中的礼节性动作。
crook 指不规则的弯曲，也指按照规则或模型弯曲某物。
twist 指通过转动、拧或扭使某物成弯曲状。
参考例句
1. He curved the piece of wood. 他把这块木头弯成弧形。
2. Let life be a titration curve! 让生活成为一条滴定曲线！
3. Connect two objects together. Connector can be either a curve or a straight line. 将两个对象连接在一起。连接线可以是曲线也可以是直线。
英英解释
n.
1. the trace of a point whose direction of motion changes
2. a line on a graph representing data
3. a pitch of a baseball that is thrown with spin so that its path curves as it approach the batter
4. the property possessed by the curving of a line or surface
5. curved segment (of a road or river or railroad track etc.) v.
1. turn sharply; change direction abruptly
2. extend in curves and turns
3. form an arch or curve
4. bend or cause to bend
5. form a curl, curve, or kink
