| 单词 | human agency |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔self-sown〕Growing from seed dispersal effected by a natural agent, such as the wind or a bird, rather than by human agency.自播的，天然播种的：通过天然媒介，如风或鸟而非人工媒介来传播种子的美国传统 |
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