该词自17世纪40年代起见于英语，最初表示与某事抗争，不久后开始表示不情愿。它来自现已不用的动词 reluct，最终源自拉丁语 reluctari，意为抗争或抵抗。
不愿采取行动
noun
emotions
neutral
不想做某事的感觉，常伴有犹豫或怀疑。
示例
- She agreed to lead the project, but only with considerable reluctance.她答应领导这个项目，但显得非常不情愿。
- His reluctance to ask for help made the problem worse.他不愿意求助，这使问题变得更糟。
- Why is there so much reluctance to discuss the cost openly?为什么大家如此不愿意公开讨论费用？
- The children showed no reluctance about trying the new food.孩子们试吃新食物时毫不抵触。
- After some initial reluctance, the neighbors supported the plan.经过最初的犹豫，邻居们支持了这个计划。
相似词
unwillingness
hesitation
disinclination
hesitancy
aversion
resistance
reservation
阻碍磁通
noun
physics
technical
磁路对磁通形成产生的阻碍，类似于电路中的电阻。
示例
- The air gap greatly increases the magnetic reluctance of the core.气隙大大增加了磁芯的磁阻。
- Engineers reduced reluctance by choosing a more permeable material.工程师通过选择磁导率更高的材料降低了磁阻。
- Does the magnetic circuit have enough reluctance to limit the flux?这个磁路是否有足够的磁阻来限制磁通？
- A longer flux path usually produces greater reluctance.更长的磁通路径通常会产生更大的磁阻。
- The model treats magnetic reluctance as analogous to electrical resistance.该模型把磁阻视为与电阻类似的量。
相似词
magnetic resistance