| 单词 | 地心引力 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Epiphany〕Isaac Newton's epiphany about gravity and a falling apple.艾萨克·牛顿关于地心引力和苹果落地的顿悟柯林斯高阶〔diageotropism〕The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force.横生，横向地性：生长部分在地心引力的作用下倾向于适当角度，如植物的根美国传统〔epiphany〕Isaac Newton's epiphany about gravity and a falling apple艾萨克·牛顿关于地心引力和苹果落地的顿悟外研社新世纪〔geotropism〕The growth of a living organism in response to gravity, as the downward growth of plant roots.对于地心引力的向性：有机体的生长对地心引力的向性，如植物根部向下长美国传统 |
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