4周搞定2000+托福核心词
行动的缘由→动机
motive
常考释义
The revolutionary aspect of this new timekeeper was neither the descending weight that provided its motive force nor the gear wheels (which had been around for at least 1,300 years) that transferred the power； it was the part called the escapement.
这种新型计时器的革命性特点既不是利用下降的重力提供动力，也不是用齿轮(已经存在了1300多年)传输能量，而是被称为擒纵器的部分。
来源于：剑雅8-Test1n. (行动的)动机，缘由
Police have ruled out robbery as a motive for the killing.
警方已排除因抢劫而杀人的可能。
Jealousy was assigned as motive for the crime.
把这一犯罪行为的动机归因于忌妒。
Alan, did you invite me here with an ulterior motive?
艾伦，你邀请我来是别有动机吗？
来自《废柴联盟 第2季第2集》
图片源自网络
adj. 发动的；导致运动的
We should be incentive to further study in this subject.
我们应在这一课题上鼓励进一步研究。
adj. 毡（制）的
ulterior motive
隐秘不明的动机
motive force
动力；起动力，原动力
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