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. 球场很大，呈椭圆形。oval kumquat leaf 金橘叶oval kumquat root 金橘根Comets move around the sun like planets, but in long oval course. 彗星象行星一样绕太阳运转，然而其轨道呈狭长的椭圆形。oval kumquat更多例句