同根派生 oval kumquat相关词英汉例句oval kumquat fruit 金橘The playing field is a large oval. 球場很大，呈橢圓形。oval kumquat leaf 金橘葉oval kumquat root 金橘根Comets move around the sun like planets, but in long oval course. 彗星象行星一樣繞太陽運轉，然而其軌道呈狹長的橢圓形。oval kumquat更多例句