| 正面 | 3146.motivation 英 [məʊtɪ'veɪʃ(ə)n]美 [,motə'veʃən]     |
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| 背面 |      释义： 1、prin- + cip- + -al.2、字面含义：that takes first. => first in importance, principal, chief, "main, most important," of persons.n. 动机；积极性；推动 例句： 1. He admitted a lack of motivation and a feeling of sloth.他承认自己缺乏动力，总想犯懒。 motivation (n.)1873, from motivate + -ion. Psychological use, "inner or social stimulus for an action," is from 1904." |